Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

[Federal Register Volume 71, Number 108 (Tuesday, June 6, 2006)]
[Rules and Regulations]
[Pages 32427-32434]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 06-5127]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2005-22358; Directorate Identifier 2005-NE-20-AD; 
Amendment 39-14632; AD 2006-12-07]
RIN 2120-AA64


Airworthiness Directives; Engine Components Inc. (ECi) 
Reciprocating Engine Cylinder Assemblies

AGENCY: Federal Aviation Administration (FAA), Department of 
Transportation (DOT).

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is superseding an existing airworthiness directive 
(AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, 
and 540 series, ``Parallel Valve'' reciprocating engines, with certain 
Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) 
AEL65102 series ``Classic Cast'', installed. That AD currently requires 
replacing these ECi cylinder assemblies. This AD requires the same 
actions, but replaces the ``Engine Models'' Table 1 and ``Engines 
Installed On, But Not Limited To'' Table 2 with corrected tables. Also, 
this AD corrects the casting part number. This AD results from reports 
of applicability errors found in AD 2005-26-10. We are issuing this AD 
to prevent loss of engine power due to cracks in the cylinder 
assemblies and possible engine failure caused by separation of a 
cylinder head.

DATES: This AD becomes effective July 11, 2006.

ADDRESSES: You may examine the AD docket on the Internet at http://dms.dot.gov or in Room PL-401 on the plaza level of the Nassif 
Building, 400 Seventh Street, SW., Washington, DC.

FOR FURTHER INFORMATION CONTACT: Peter Hakala, Aerospace Engineer, 
Special Certification Office, FAA, Rotorcraft Directorate, 2601 Meacham 
Blvd., Fort Worth, TX 76193; telephone (817) 222-5145; fax (817) 222-
5785.

SUPPLEMENTARY INFORMATION: The FAA proposed to amend 14 CFR part 39 
with a proposed AD. The proposed AD applies to Lycoming Engines models 
320, 360, and 540 series, ``Parallel Valve'' reciprocating engines, 
with certain ECi cylinder assemblies, P/N AEL65102 series ``Classic 
Cast'', installed. We published the proposed AD in the Federal Register 
on February 24, 2006 (71 FR 9480). That action proposed to require the 
same actions as AD 2005-26-10, but would replace the

[[Page 32428]]

``Engine Models'' Table 1 and ``Engines Installed On, But Not Limited 
To'' Table 2 with corrected tables. Also, that action proposed to 
correct the casting part number.

Examining the AD Docket

    You may examine the docket that contains the AD, any comments 
received, and any final disposition in person at the Docket Management 
Facility Docket Office between 9 a.m. and 5 p.m., Monday through 
Friday, except Federal holidays. The Docket Office (telephone (800) 
647-5227) is located on the plaza level of the Department of 
Transportation Nassif Building at the street address stated in 
ADDRESSES. Comments will be available in the AD docket shortly after 
the DMS receives them.

Comments

    We provided the public the opportunity to participate in the 
development of this AD. We have considered the comments received.

Request To Change All References to Casting P/N AEL65099

    One commenter requests that we change all references to casting P/N 
AEL65099 to read ``casting head markings EC 65099-REV-1'' to more 
accurately describe the actual markings. We agree, and made the 
reference changes in the AD.

Request To Explain Another Set of Numbers on the Cylinder

    The same commenter requests that we explain that the set of numbers 
appearing on the cylinder below and to the left of the SN, in the form 
of ``12345-67'' is not used for determining applicability. We agree, 
and have added a statement to point this out in the AD.

Update to Related Information

    Under paragraph (k), Related Information, we updated the reference 
to ECi Service Bulletin No. 05-08, Revision 1, dated December 29, 2005, 
to Revision 2, dated February 28, 2006.

Conclusion

    We have carefully reviewed the available data, including the 
comments received, and determined that air safety and the public 
interest require adopting the AD with the changes described previously. 
We have determined that these changes will neither increase the 
economic burden on any operator nor increase the scope of the AD.

Costs of Compliance

    We estimate that 7,557 ECi cylinder assemblies are installed on 
Lycoming engines in the United States. We estimate that it will take 
about two workhours per engine to perform the aircraft inspections of 
the cylinder assemblies for applicability, and that the average labor 
rate is $65 per workhour. From the Lycoming Engines ``Removal and 
Installation Labor Allowance Guidebook'', dated May 2000, the complete 
cylinder replacement for a four cylinder engine takes 12 hours, while 
the complete cylinder replacement for a six cylinder engine takes 16 
hours. Required parts will cost about $1,000 per cylinder assembly. 
Based on these figures, we estimate that the total cost of the AD to 
U.S. operators to be $9,152,140. ECi indicated that they might give 
operators and repair stations credit for returned cylinder assemblies 
toward the purchase of new ECi cylinder assemblies.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. Subtitle VII, Aviation Programs, 
describes in more detail the scope of the Agency's authority.
    We are issuing this rulemaking under the authority described in 
subtitle VII, part A, subpart III, section 44701, ``General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We have determined that this AD will not have federalism 
implications under Executive Order 13132. This AD will not have a 
substantial direct effect on the States, on the relationship between 
the national government and the States, or on the distribution of power 
and responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866;
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979); and
    (3) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.
    We prepared a summary of the costs to comply with this AD and 
placed it in the AD Docket. You may get a copy of this summary at the 
address listed under ADDRESSES.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Safety.

Adoption of the Amendment

0
Accordingly, under the authority delegated to me by the Administrator, 
the Federal Aviation Administration amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority: 49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by removing Amendment 39-14431 (70 FR 
76385, December 27, 2005), and by adding a new airworthiness directive, 
Amendment 39-14632, to read as follows:

2006-12-07 Engine Components Incorporated (ECi): Amendment 39-14632. 
Docket No. FAA-2005-22358; Directorate Identifier 2005-NE-20-AD.

Effective Date

    (a) This airworthiness directive (AD) becomes effective July 11, 
2006.

Affected ADs

    (b) This AD supersedes 2005-26-10, Amendment 39-14431.

Applicability

    (c) This AD applies to Lycoming Engines (formerly Textron 
Lycoming) models 320, 360, and 540 series, parallel valve, 
reciprocating engines:
    (1) Specified in Table 1 of this AD; and
    (2) With ECi cylinder assemblies, part number (P/N) AEL65102 
series ``Classic Cast'', having casting head markings EC 65099-REV-
1; and
    (3) With serial numbers (SNs) 1 through 9879 (SN may have an 
``L'' prefix for a long reach spark plug), (sold from January 1997 
to September 2001) installed.
    (4) The set of numbers appearing on the cylinder, below and to 
the left of the SN, in the form of ``12345-67'' is not used for 
determining applicability.

[[Page 32429]]



                         Table 1.--Engine Models
------------------------------------------------------------------------
          Cylinder head part No.             Installed on engine models
------------------------------------------------------------------------
AEL65102-NST04............................  O-320-A1B, A2B, A2C, A2D,
                                             A3A, A3B, B2B, B2C, B2D,
                                             B2E, B3B, B3C, C2B, C2C,
                                             C3B, C3C, D1A, D1AD, D1B,
                                             D1C, D1D, D1F, D2A, D2B,
                                             D2C, D2F, D2G, D2H, D2J,
                                             D3G, E1A, E1B, E1C, E1F,
                                             E1J, E2A, E2B, E2C, E2D,
                                             E2E, E2F, E2G, E2H, E3D,
                                             E3H.
                                            IO-320-A1A, A2A, B1A, B1B,
                                             B1C, B1D, B1E, B2A, D1A,
                                             D1AD, D1B, D1C, E1A, E1B,
                                             E2A, E2B.
                                            AEIO-320-D1B, D2B, E1A, E1B,
                                             E2A, E2B.
                                            AIO-320-A1A, A1B, A2A, A2B,
                                             B1B, C1B.
                                            LIO-320-B1A.
AEL65102-NST05............................  IO-320-C1A, C1B, C1F, F1A.
                                            LIO-320-C1A.
AEL65102-NST06............................  O-320-A1A, A2A, A2B, A2C,
                                             A3A, A3B, A3C, E1A, E1B,
                                             E2A, E2C, (also, an O-320
                                             model with no suffix).
                                            IO-320-A1A, A2A.
AEL65102-NST07............................  IO-320-B1A, B1B.
                                            LIO-320-B1A.
AEL65102-NST08............................  O-320-B1A, B1B, B2A, B2B,
                                             B3A, B3B, B3C, C1A, C1B,
                                             C2A, C2B, C3A, C3B, C3C,
                                             D1A, D1B, D2A, D2B, D2C.
AEL65102-NST10............................  O-360-A1A, A1C, A1D, A2A,
                                             A2E, A3A, A3D, A4A, B1A,
                                             B1B, B2A, B2B, C1A, C1C,
                                             C1G, C2A, C2B, C2C, C2D,
                                             D1A, D2A, D2B.
                                            IO-360-B1A, B1B, B1C.
                                            HO-360-A1A, B1A, B1B.
                                            HIO-360-B1A, B1B.
                                            AEIO-360-B1B.
                                            O-540-A1A, A1A5, A1B5, A1C5,
                                             A1D, A1D5, A2B, A3D5, A4A5,
                                             A4B5, A4C5, A4D5, B1A5,
                                             B1B5, B1D5, B2A5, B2B5,
                                             B2C5, B2C5D, B4A5, B4B5,
                                             B4B5D, D1A5, E1A, E4A5,
                                             E4B5, E4C5, F1A5, F1B5,
                                             G1A5, G2A5.
                                            IO-540-C1B5, C1C5, C2C,
                                             C4B5, C4B5D, C4C5, D4A5,
                                             D4B5, N1A5, N1A5D.
AEL65102-NST12............................  O-360-A1A, A1AD, A1D, A1F,
                                             A1F6, A1F6D, A1G, A1G6,
                                             A1G6D, A1H, A1H6, A1J,
                                             A1LD, A1P, A2A, A2D, A2F,
                                             A2G, A2H, A3A, A3AD, A3D,
                                             A4A, A4AD, A4D, A4G, A4J,
                                             A4JD, A4K, A4M, A4N, A4P,
                                             A5AD, B1A, B2C, C1A, C1C,
                                             C1E, C1F, C1G, C2A, C2B,
                                             C2C, C2D, C2E, C4F, C4P,
                                             D2A, F1A6, G1A6.
                                            HO-360-C1A.
                                            LO-360-A1G6D, A1H6.
                                            HIO-360-B1A, B1B, G1A.
                                            LTO-360-A1A6D.
                                            TO-360-A1A6D.
                                            IO-360-B1B, B1BD, B1D, B1E,
                                             B1F, B1F6, B1G6, B2E, B2F,
                                             B2F6, B4A, E1A, L2A, M1A,
                                             M1B.
                                            AEIO-360-B1B, B1D, B1E, B1F,
                                             B1F6, B1G6, B1H, B2F, B2F6,
                                             B4A, H1A, H1B.
                                            O-540-A4D5, B2B5, B2C5,
                                             B2C5D, B4B5, B4B5D, E4A5,
                                             E4B5, E4B5D, E4C5, G1A5,
                                             G1A5D, G2A5, H1A5, H1A5D,
                                             H1B5, H1B5D, H2A5, H2A5D,
                                             H2B5D.
                                            IO-540-C4B5, C4B5D, C4D5,
                                             C4D5D, D4A5, D4B5, D4C5,
                                             N1A5, N1A5D, T4A5D, T4B5,
                                             T4B5D, T4C5D, V4A5, V4A5D.
                                            AEIO-540-D4A5, D4B5, D4C5,
                                             D4D5.
AEL65102-NST26............................  IO-540-J4A5, R1A5.
                                            TIO-540-C1A, E1A, G1A, H1A.
AEL65102-NST38............................  IO-360-F1A.
                                            TIO-540-AA1AD, AB1AD, AB1BD,
                                             AF1A, AG1A, AK1A, C1A,
                                             C1AD, K1AD.
                                            LTIO-540-K1AD.
AEL65102-NST43............................  O-360-J2A.
                                            O-540-F1B5, J1A5D, J1B5D,
                                             J1C5D, J1D5D, J2A5D, J2B5D,
                                             J2C5D, J2D5D, J3A5, J3A5D,
                                             J3C5D.
                                            IO-540-AB1A5, W1A5, W1A5D,
                                             W3A5D.
AEL65102-NST44............................  O-540-L3C5D.
------------------------------------------------------------------------

    For information, the subject engines are installed on, but not 
limited to, the aircraft listed in the following Table 2:

           Table 2.--Engines Installed On, But Not Limited to
------------------------------------------------------------------------
 
------------------------------------------------------------------------
 O-320-A1A................................   Piper Aircraft: Tri-Pacer
                                             (PA-22 ``150'', PA-22S
                                             ``150''), Apache (PA-23),
                                             Pawnee (PA-25).
                                             Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            Mooney Aircraft: Mark (20A).
                                            Dinfia: Ranquel (1A-46).
                                            Simmering-Graz Pauker:
                                             Flamingo (SGP-M-222).
                                            Aviamilano: Scricciolo (P-
                                             19).
                                            Vos Helicopter Co.: Spring
                                             Bok.
O-320-A1B.................................   Piper Aircraft: Tri-Pacer
                                             (PA-22 ``150'', PA-22S
                                             ``150''), Apache (PA-23).
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            S.O.C.A.T.A.: Horizon
                                             (Gardan).

[[Page 32430]]

 
O-320-A2A.................................  Piper Aircraft: Tri-Pacer
                                             (PA-22 ``150'', PA-22S
                                             ``150''), Agriculture (PA-
                                             18A ``150'') Super Cub (PA-
                                             18 ``150''), Caribbean (PA-
                                             22 ``150''), Pawnee (PA-
                                             25).
                                            Intermountain Mfg. Co.: Call
                                             Air Texas (A-5, A-5T).
                                            Lake Aircraft: Colonial (C-
                                             1).
                                            Rawdon Bros.: Rawdon (T-1, T-
                                             15, T-15D).
                                            Shinn Engineering: Shinn
                                             (2150-A).
                                            Dinfia: Ranquel (1A-46).
                                            Neiva: (1PD-5802).
                                            Sud: Gardan-Horizon (GY-80).
                                            LaVerda: Falco (F8L Series
                                             II, America).
                                            Malmo: Vipan (MF1-10).
                                            Kingsford Smith: Autocrat
                                             (SCRM-153).
                                            Aero Commander: 100.
O-320-A2B.................................  Piper Aircraft: Tri-Pacer
                                             (PA-22 ``150'', PA-22S
                                             ``150''), Cherokee (PA-28
                                             ``150''), Super Cub (PA-18
                                             ``150'').
                                            Champion Aircraft:
                                             Challenger (7GCA, 7GCB,
                                             7KC), Citabria (7GCAA,
                                             7GCRC), Agriculture
                                             (7GCBA).
                                            Beagle: Pup (150).
                                            Artic: Interstate S1B2.
                                            Robinson: R-22.
                                            Varga: Kachina 2150A.
O-320-A2C.................................  Robinson: R-22.
                                            Cicare: Cicare AG.
                                            Bellanca Aircraft: Citabria
                                             150 (7GCAA), Citabria 150S
                                             (7GCBC).
O-320-A2D.................................  Piper Aircraft: Apache (PA-
                                             23).
O-320-A3A.................................   Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            Corben-Fettes: Globe Special
                                             (Globe GC-1B).
O-320-A3B.................................  Piper Aircraft: Apache (PA-
                                             23).
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            Teal II: TSC (1A2).
O-320-B1A.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            Malmo: Vipan (MF1-10).
O-320-B1B.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B)
O-320-B2A.................................   Piper Aircraft: Tri-Pacer
                                             (PA-22 ``160'', PA-22S
                                             ``160'').
O-320-B2B.................................   Piper Aircraft: Tri-Pacer
                                             (PA-22 ``160'', PA-22S
                                             ``160'').
                                            Beagle: Airedale (D5-160).
                                            Fuji-Heavy Industries: Fuji
                                             (F-200).
                                            Uirapuru: Aerotec 122.
O-320-B2C.................................   Robinson: R-22.
O-320-B2D.................................   Maule: MX-7-160.
O-320-B2E.................................   Lycon.
O-320-B3A.................................   Piper Aircraft: Apache (PA-
                                             23 ``160'').
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
O-320-B3B.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
                                            Doyn Aircraft: Doyn-Cessna
                                             (170, 170A, 170B).
                                            Sud: Gardan (GY80-160).
O-320-C1A.................................   Piper Aircraft: Apache (PA-
                                             23 ``160'').
                                            Riley Aircraft: Rayjay
                                             (Apache).
O-320-C1B.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
O-320-C3A.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
O-320-C3B.................................  Piper Aircraft: Apache (PA-
                                             23 ``160'').
O-320-D1A.................................   Sud: Gardan (GY-80).
                                            Gyroflug: Speed Cancard.
                                            Grob: G115.
O-320-D1F.................................   Slingsby: T67 Firefly.
O-320-D2A.................................  Piper Aircraft: Cherokee (PA-
                                             28S ``160'').
                                            Robin: Major (DR400-140B),
                                             Chevalier (DR-360), (R-
                                             3140).
                                            S.O.C.A.T.A.: Tampico TB9.
                                            Slingsby: T67C Firefly.
                                            Daetwyler: MD-3-160.
                                            Nash Aircraft Ltd.: Petrel.
                                            Aviolight: P66D Delta.
                                            General Avia: Pinguino.
O-320-D2B.................................  Beech Aircraft: Musketeer (M-
                                             23).
                                            Piper Aircraft: Cherokee (PA-
                                             28 ``160'').
O-320-D2J.................................   Cessna Aircraft: Skyhawk
                                             172.
O-320-D3G.................................   Piper Aircraft: Warrior II,
                                             Cadet (PA-28-161).
O-320-E1A.................................   Grob: G115.
O-320-E1C.................................   M.B.B. (Messerschmitt-
                                             Boelkow-Blohm): Monsun (BO-
                                             209-B).
O-320-E1F.................................  M.B.B.: Monsun (BO-209-B).
O-320-E2A.................................   Piper Aircraft: Cherokee
                                             (PA-28 ``140'', PA-28
                                             ``150'').
                                            Robin: Major (DR-340),
                                             Sitar, Bagheera (GY-100-
                                             135).
                                            S.O.C.A.T.A.: Super Rallye
                                             (MS-886), Rallye Commodore
                                             (MS-892).
                                            Siai-Marchetti: (S-202).

[[Page 32431]]

 
                                            F.F.A.: Bravo (AS-202/15).
                                            Partenavia: Oscar (P66B),
                                             Bucker (131 APM).
                                            Aeromot: Paulistina P-56.
                                            Pezetel: Koliber 150.
O-320-E2C.................................   Beech Aircraft: Musketeer
                                             III (M-23III).
                                            M.B.B.: Monsun (BO-209-B).
O-320-E2D.................................  Cessna Aircraft: Cardinal
                                             (172-I, 177).
O-320-E2F.................................  M.B.B.: Monsun (BO-209-B),
                                             Wassmer Pacific (WA-51).
O-320-E2G.................................  American Aviation Corp.:
                                             Traveler.
O-320-E3D.................................   Piper Aircraft: Cherokee
                                             (140).
                                            Beech Aircraft: Sport.
IO-320-B2A................................   Piper Aircraft: Twin
                                             Comanche (PA-30).
IO-320-B1C................................   Hi. Shear: Wing.
IO-320-B1D................................   Ted Smith Aircraft:
                                             Aerostar.
IO-320-C1A................................   Piper Aircraft: Twin
                                             Comanche (PA-30 Turbo).
IO-320-D1A................................   M.B.B.: Monsun (BO-209-C).
IO-320-D1B................................   M.B.B.: Monsun (BO-209-C).
IO-320-E1A................................   M.B.B.: Monsun (BO-209-C).
IO-320-E1B................................   Bellanca Aircraft.
IO-320-E2A................................   Champion Aircraft:
                                             Citabria.
IO-320-E2B................................   Bellanca Aircraft.
IO-320-F1A................................   CAAR Engineering: Carr
                                             Midget.
LIO-320-B1A...............................   Piper Aircraft: Twin
                                             Comanche (PA-39).
LIO-320-C1A...............................   Piper Aircraft: Twin
                                             Comanche (PA-39).
AIO-320-B1B...............................   M.B.B.: Monsun (BO-209-C).
AEIO-320-D1B..............................   Slingsby: T67M Firefly.
AEIO-320-D2B..............................   Hundustan Aeronautics Ltd.:
                                             HT-2.
AEIO-320-E1A..............................   Bellanca Aircraft.
                                            Champion Aircraft.
AEIO-320-E1B..............................   Bellanca Aircraft.
                                            Champion Aircraft:
                                             Decathalon (8KCAB-CS).
AEIO-320-E2B..............................   Bellanca Aircraft.
                                            Champion Aircraft:
                                             Decathalon (8KCAB).
O-320-A1A.................................   Riley Aircraft: Riley Twin.
O-360-A1A.................................   Beech Aircraft: Travel Air
                                             (95, B-95).
                                            Piper Aircraft: Comanche (PA-
                                             24).
                                            Intermountain Mfg. Co.: Call
                                             Air (A-6).
                                            Lake Aircraft: Colonial (C-
                                             2, LA-4, 4A or 4P).
                                            Doyn Aircraft: Doyn-Cessna
                                             (170B, 172, 172A, 172B).
                                            Mooney Aircraft: Mark
                                             ``20B'' (M-20B).
                                            Earl Horton: Pawnee (Piper
                                             PA-25).
                                            Dinfia: Ranquel (1A-51).
                                            Neiva: (1PD-5901).
                                            Regente: (N-591).
                                            Wassmer: Super 4 (WA-50A),
                                             Sancy (WA-40), Baladou (WA-
                                             40), Pariou (WA-40).
                                            Sud: Gardan (GY-180).
                                            Bolkow: (207).
                                            Partenavia: Oscar (P-66).
                                            Siai-Marchetti: (S-205).
                                            Procaer: Picchio (F-15-A).
                                            S.A.A.B.: Safir (91-D).
                                            Malmo: Vipan (MF-10B).
                                            Aero Boero: AB-180.
                                            Beagle: Airedale (A-109).
                                            DeHavilland: Drover (DHA-
                                             3MK3).
                                            Kingsford-Smith: Bushmaster
                                             (J5-6).
                                            Aero Engine Service Ltd.:
                                             Victa (R-2).
O-360-A1AD................................  S.O.C.A.T.A.: Tabago TB-10.
O-360-A1D.................................  Piper Aircraft: Comanche (PA-
                                             24).
                                            Lake Aircraft: Colonial (LA-
                                             4, 4A or 4P).
                                            Doyn Aircraft: Doyn-Beech
                                             (Beech 95).
                                            Mooney Aircraft: Master
                                             ``21'' (M-20E), Mark
                                             ``20B'', ``20D'', (M20B,
                                             M20C), Mooney Statesman (M-
                                             20G).
                                            Dinfia: Querandi (1A-45).
                                            Wassmer: (WA-50).
                                            Malmo: Vipan (MF1-10).
                                            Cessna Aircraft: Skyhawk.
                                            Doyn Aircraft: Doyn-Piper
                                             (PA-23 ``160'').
O-360-A1F6................................  Cessna Aircraft: Cardinal.
O-360-A1F6D...............................  Cessna Aircraft: Cardinal
                                             177.
                                            Teal III: TSC (1A3).
O-360-A1G6................................  Aero Commander.
O-360-A1G6D...............................  Beech Aircraft: Duchess 76.
O-360-A1H6................................  Piper Aircraft: Seminole (PA-
                                             44).
O-360-A1LD................................  Wassmer: Europa WA-52.

[[Page 32432]]

 
O-360-A1P.................................  Aviat: Husky.
O-360-A2A.................................  Center Est Aeronautique:
                                             Regente (DR-253).
                                            S.O.C.A.T.A.: Rallye
                                             Commodore (MS-893).
                                            Societe Aeronautique
                                             Normande: Mousquetaire (D-
                                             140).
                                            Bolkow: Klemm (K1-107C).
                                            Partenavia: Oscar (P-66).
                                            Beagle: Husky (D5-180) (J1-
                                             U).
O-360-A2D.................................  Piper Aircraft: Comanche (PA-
                                             24), Cherokee ``C'' (PA-28
                                             ``180'').
                                            Mooney Aircraft: Master
                                             ``21'' (M-20D), Mark ``21''
                                             (M-20E).
O-360-A2E.................................  Std. Helicopter.
O-360-A2F.................................  Aero Commander: Lark (100).
                                            Cessna Aircraft: Cardinal.
O-360-A2G.................................  Beech Aircraft: Sport.
O-360-A3A.................................  C.A.A.R.P.S.A.N.: (M-23III).
                                            Societe Aeronautique
                                             Normande: Jodel (D-140C).
                                            Robin: Regent (DR400/180),
                                             Remorqueur (DR400/180R). R-
                                             3170.
                                            S.O.C.A.T.A.: Rallye 180GT,
                                             Sportavia Sportsman (RS-
                                             180).
                                            Norman Aeroplace Co.: NAC-1
                                             Freelance.
                                            Nash Aircraft Ltd.: Petrel.
O-360-A3AD................................  S.O.C.A.T.A.: TB-10.
                                            Robin: Aiglon (R-1180T).
O-360-A4A.................................  Piper Aircraft: Cherokee
                                             ``D'' (PA-28 ``180'').
O-360-A4D.................................  Varga: Kachina.
O-360-A4G.................................  Beech Aircraft: Musketeer
                                             Custom III.
O-360-A4K.................................  Grumman American: Tiger.
                                            Beech Aircraft: Sundowner
                                             180.
O-360-A4M.................................  Piper Aircraft: Archer II
                                             (PA-28 ``18'').
                                            Valmet: PIK-23.
O-360-A4N.................................  Cessna Aircraft: 172
                                             (Optional).
O-360-A4P.................................  Penn Yan: Super Cub
                                             Conversion.
O-360-A5AD................................  C. Itoh and Co.: Fuji FA-
                                             200.
O-360-B2C.................................  Seabird Aviation: SB7L.
O-360-C1A.................................  Intermountain Mfg. Co.: Call
                                             Air (A-6).
O-360-C1E.................................  Bellanca Aircraft: Scout
                                             (8GCBC-CS).
O-360-C1F.................................  Maule: Star Rocket MX-7-180.
O-360-C1G.................................  Christen: Husky (A-1).
O-360-C2B.................................  Hughes Tool Co.: (269A).
O-360-C2D.................................  Hughes Tool Co.: (269A).
O-360-C2E.................................  Hughes Tool Co.: (YHO-2HU)
                                             Military.
                                            Bellanca Aircraft: Scout
                                             (8GCBC FP).
O-360-C4F.................................  Maule: MX-7-180A.
O-360-C4P.................................  Penn Yan: Super Cub
                                             Conversion.
O-360-F1A6................................  Cessna Aircraft: Cutlass RG.
O-360-J2A.................................  Robinson: R22.
IO-360-B1A................................  Beech Aircraft: Travel-Air
                                             (B-95A).
                                            Doyn Aircraft: Doyn-Piper
                                             (PA-23 ``200'').
IO-360-B1B................................  Beech Aircraft: Travel-Air
                                             (B-95B).
                                            Doyn Aircraft: Doyn-Piper
                                             (PA-23 ``200'').
                                            Fuji: (FA-200).
IO-360-B1D................................  United Consultants: See-Bee.
IO-360-B1E................................  Piper Aircraft: Arrow (PA-28
                                             ``180R'').
IO-360-B1F................................  Utva: 75.
IO-360-B2E................................  C.A.A.R.P. C.A.P. (10).
IO-360-B1F6...............................  Great Lakes: Trainer.
IO-360-B1G6...............................  American Blimp: Spector 42.
IO-360-B2F6...............................  Great Lakes: Trainer.
LO-360-A1G6D..............................  Beech Aircraft: Duchess.
LO-360-A1H6...............................  Piper Aircraft: Seminole (PA-
                                             44).
IO-360-E1A................................  T.R. Smith Aircraft:
                                             Aerostar.
IO-360-L2A................................  Cessna Aircraft: Skyhawk C-
                                             172.
IO-360-M1A................................  Diamond Aircraft: DA-40.
IO-360-M1B................................  Vans Aircraft: RV6, RV7, RV8
                                            Lancair: 360.
AEIO-360-B1F..............................  F.F.A.: Bravo (200).
                                            Grob: G115/Sport-Acro.
AEIO-360-B1G6.............................  Great Lakes.
AEIO-360-B2F..............................  Mundry: CAP-10.
AEIO-360-B4A..............................  Pitts: S-1S.
AEIO-360-H1A..............................  Bellanca Aircraft: Super
                                             Decathalon (8KCAB-180).
AEIO-360-H1B..............................  American Champion: Super
                                             Decathalon.
VO-360-A1A................................  Brantly Hynes Helicopter: (B-
                                             2).
VO-360-A1B................................  Brantly Hynes Helicopter: (B-
                                             2, B2-A). Military (YHO-
                                             3BR).
VO-360-B1A................................  Brantly Hynes Helicopter: (B-
                                             2, B2-A).
IVO-360-A1A...............................  Brantly Hynes Helicopter:
                                             (B2-B).

[[Page 32433]]

 
HO-360-B1A................................  Hughes Tool Co.: (269A).
HO-360-B1B................................  Hughes Tool Co.: (269A).
HO-360-C1A................................  Schweizer: (300C).
HIO-360-B1A...............................  Hughes Tool Co.: Military
                                             (269-A-1) (TH-55A).
HIO-360-B1B...............................  Hughes Tool Co.: (269A).
HIO-360-G1A...............................  Schweizer: (CB).
O-540-A1A.................................  Rhein-Flugzeugbau: (RF-1).
O-540-A1A5................................  Piper Aircraft: Comanche (PA-
                                             24 ``180'').
                                            Helio: Military (H-250).
                                            Yoeman Aviation: (YA-1).
O-540-A1B5................................  Piper Aircraft: Aztec (PA-23
                                             ``250''), Comanche (PA-24
                                             ``250'').
O-540-A1C5................................  Piper Aircraft: Comanche (PA-
                                             24 ``250'').
O-540-A1D.................................  Found Bros.: (FBA-2C).
                                            Dornier: (DO-28-B1).
O-540-A1D5................................  Piper Aircraft: Aztec (PA-23
                                             ``250''), Comanche (PA-24
                                             ``250''), Military Aztec (U-
                                             11A).
                                            Dornier: (DO-28).
O-540-A2B.................................  Aero Commander: (500).
                                            Mid-States Mfg. Co.: Twin
                                             Courier (H-500), (U-5).
O-540-A3D5................................  Piper Aircraft: Navy Aztec
                                             (PA-23 ``250'').
O-540-B1A5................................  Piper Aircraft: Apache (PA-
                                             23 ``235'').
O-540-B1B5................................  Piper Aircraft: Comanche (PA-
                                             24 ``250'').
                                            Doyn Aircraft: Doyn-Piper
                                             (PA-24 ``250'').
O-540-B1D5................................  Wassmer: (WA-421).
O-540-B2B5................................  Piper Aircraft: Pawnee (PA-
                                             25 ``235''), Cherokee (PA -
                                             28 ``235''), Aztec (PA-23
                                             ``235'').
                                            Intermountain Mfg. Co.: Call
                                             Air (A-9).
                                            Rawdon Bros.: Rawdon (T-1).
                                            S.O.C.A.T.A.: Rallye 235CA.
O-540-B2C5................................  Piper Aircraft: Pawnee (PA-
                                             25 ``235'').
O-540-B4B5................................  Piper Aircraft: Cherokee (PA-
                                             28 ``235'').
                                            Embraer: Corioca (EMB-710).
                                            S.O.C.A.T.A.: Rallye 235GT,
                                             Rallye 235C
                                            Maule: Star Rocket (MX-7-
                                             235), Super Rocket (M-6-
                                             235), Super Std. Rocket (M-
                                             7-235).
O-540-E4A5................................  Piper Aircraft: Comanche (PA-
                                             24 ``260'').
                                            Aviamilano: Flamingo (F-
                                             250).
                                            Siai-Marchetti: (SF-260),
                                             (SF-208).
O-540-E4B5................................  Britten-Norman: (BN-2).
                                            Piper Aircraft: Cherokee Six
                                             (PA-32 ``260'').
O-540-E4C5................................  Pilatus Britten-Norman:
                                             Islander (BN-2A-26),
                                             Islander (BN-2A-27),
                                             Islander II (BN-2B-26),
                                             Islander (BN-2A-
                                             21),Trislander (BN-2A-Mark
                                             III-2).
O-540-F1B5................................  Omega Aircraft: (BS-12D1).
                                            Robinson: (R-44).
O-540-G1A5................................  Piper Aircraft: Pawnee (PA-
                                             25 ``260'').
O-540-H1B5D...............................  Aero Boero: 260.
O-540-H2A5................................  Embraer: Impanema ``AG''.
                                            Gippsland: GA-200.
O-540-H2B5D...............................  Aero Boero: 260.
O-540-J1A5D...............................  Maule: Star Rocket (MX-7-
                                             235), Super Rocket (M-6-
                                             235), Super Std. Rocket (M-
                                             7-235).
O-540-J3A5................................  Robin: R-3000/235.
O-540-J3A5D...............................  Piper Aircraft: Dakota (PA-
                                             28-236).
O-540-J3C5D...............................  Cessna Aircraft: Skylane RG.
O-540-L3C5D...............................  Cessna Aircraft: TR-182,
                                             Turbo Skylane RG.
O-540-C1B5................................  Piper Aircraft: Aztec B (PA-
                                             23 ``250''), Comanche (PA-
                                             24 ``250'').
IO-540-C1C5...............................  Riley Aircraft: Turbo-
                                             Rocket.
IO-540-C4B5...............................  Piper Aircraft: Aztec C (PA-
                                             23 ``250''), Aztec F.
                                            Wassmer: (WA-421).
                                            Avions Pierre Robin: (HR100/
                                             250).
                                            Bellanca Aircraft: Aries T-
                                             250.
                                            Aerofab: Renegade 250.
IO-540-C4D5...............................  S.O.C.A.T.A.: TB-20.
IO-540-C4D5D..............................  S.O.C.A.T.A.: Trinidad TB-
                                             20.
IO-540-D4A5...............................  Piper Aircraft: Comanche (PA-
                                             24 ``260'').
                                            Siai-Marchetti: (SF-260).
IO-540-D4B5...............................  Cerva: (CE-43 Guepard).
IO-540-J4A5...............................  Piper Aircraft: Aztec (PA-23
                                             ``250'').
IO-540-R1A5...............................  Piper Aircraft: Comanche (PA-
                                             24).
IO-540-T4A5D..............................  General Aviation: Model 114.
IO-540-T4B5...............................  Commander: 114B.
IO-540-T4B5D..............................  Rockwell: 114.
IO-540-T4C5D..............................  Lake Aircraft: Seawolf.
IO-540-V4A5...............................  Maule: MT-7-260, M-7-260.
                                            Aircraft Manufacturing
                                             Factory.
IO-540-V4A5D..............................  Brooklands: Scoutmaster.
IO-540-W1A5...............................  Maule: MX-7-235, MT-7-235,
                                             M7-235.
IO-540-W1A5D..............................  Maule: Star Rocket (MX-7-
                                             235), Super Rocket (M-6-
                                             235), Super Std. Rocket (M-
                                             7-235).

[[Page 32434]]

 
IO-540-W3A5D..............................  Schweizer: Power Glider.
AEIO-540-D4A5.............................  Christen: Pitts (S-2S), (S-
                                             2B).
                                            Siai-Marchetti: SF-260.
                                            H.A.L.: HPT-32.
                                            Slingsby: Firefly T3A.
AEIO-540-D4B5.............................  Moravan: Zlin-50L.
                                            H.A.L.: HPT-32.
AEIO-540-D4D5.............................  Burkhart Grob: Grob G, 115T
                                             Aero.
TIO-540-C1A...............................  Piper Aircraft: Turbo Aztec
                                             (PA-23-250).
TIO-540-K1AD..............................  Piper Aircraft.
TIO-540-AA1AD.............................  Aerofab Inc.: Turbo Renegade
                                             (270).
TIO-540-AB1AD.............................  S.O.C.A.T.A.: Trinidad TC TB-
                                             21.
TIO-540-AB1BD.............................  Schweizer.
TIO-540-AF1A..............................  Mooney Aircraft: ``TLS''
                                             M20M.
TIO-540-AG1A..............................  Commander Aircraft: 114TC.
TIO-540-AK1A..............................  Cessna Aircraft: Turbo
                                             Skylane T182T.
LTIO-540-K1AD.............................  Piper Aircraft.
------------------------------------------------------------------------

Unsafe Condition

    (d) This AD results from reports of applicability errors found 
in AD 2005-26-10. We are issuing this AD to prevent loss of engine 
power due to cracks in the cylinder assemblies and possible engine 
failure caused by separation of a cylinder head.

Compliance

    (e) You are responsible for having the actions required by this 
AD performed within the compliance times specified unless the 
actions have already been done.

Engines Not Overhauled or Repaired Since New

    (f) If your engine has not been overhauled or had any major 
repair since new, no further action is required.

Engines Overhauled or Repaired Since New

    (g) If your engine was overhauled or repaired since new, do the 
following:
    (1) Determine if ECi cylinder assemblies, P/N AEL65102 series 
``Classic Cast'', having casting head markings EC 65099-REV-1 and 
SNs 1 through 9879 (SN may have an ``L'' prefix for a long reach 
spark plug) are installed on your engine, as follows:
    (i) Inspect the engine log books and maintenance records for 
reference to the subject ECi cylinder assemblies.
    (ii) If the engine log books and maintenance records did not 
record the P/N and SN of the cylinder assemblies, visually inspect 
the cylinder assemblies and verify the P/N and SN of the cylinder 
assemblies.
    (2) If the cylinder assemblies are not ECi, P/N AEL65102 series 
``Classic Cast'', having casting head markings EC 65099-REV-1, no 
further action is required.
    (3) If any cylinder assembly is an ECi P/N AEL65102 series 
``Classic Cast'', having casting head markings EC 65099-REV-1 and a 
SN 1 through 9879 (SN may have an ``L'' prefix for a long reach 
spark plug), do the following:
    (i) If the cylinder assembly has fewer than 800 operating hours-
in-service (HIS) on the effective date of this AD, replace the 
cylinder assembly at no later than 800 operating HIS. No action is 
required until the operating HIS reaches 800 hours.
    (ii) If the cylinder assembly has 800 operating HIS or more on 
the effective date of this AD, replace the cylinder assembly within 
60 operating HIS after the effective date of this AD.

Definition of a Replacement Cylinder Assembly

    (h) For the purpose of this AD, a replacement cylinder assembly 
is defined as follows:
    (1) A serviceable cylinder assembly made by Lycoming Engines.
    (2) A serviceable FAA-approved, Parts Manufacturer Approval 
cylinder assembly from another manufacturer.
    (3) A serviceable ECi cylinder assembly, P/N AEL65102 series, 
``Titan'', having casting P/N AEL85099.
    (4) A serviceable ECi cylinder assembly, P/N AEL65102 series 
``Classic Cast'', having casting head markings EC 65099-REV-1, that 
has a SN 9880 or higher (SN may have an ``L'' prefix for a long 
reach spark plug).

Prohibition of Cylinder Assemblies, P/N AEL65102 Series ``Classic 
Cast'', Having Casting Head Markings EC 65099-REV-1 and SNs 1 Through 
9879

    (i) After the effective date of this AD, do not install any ECi 
cylinder assembly, P/N AEL65102, having casting head markings EC 
65099-REV-1 that has a SN 1 through 9879 (SN may have an ``L'' 
prefix for a long reach spark plug), onto any engine.

Alternative Methods of Compliance

    (j) The Manager, Special Certification Office, has the authority 
to approve alternative methods of compliance for this AD if 
requested using the procedures found in 14 CFR 39.19.

Related Information

    (k) ECi Service Bulletin No. 05-08, Revision 2, dated February 
28, 2006, pertains to the subject of this AD.

    Issued in Burlington, Massachusetts, on May 31, 2006.
Thomas A. Boudreau,
Acting Manager, Engine and Propeller Directorate, Aircraft 
Certification Service.
[FR Doc. 06-5127 Filed 6-5-06; 8:45 am]
BILLING CODE 4910-13-P

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