Airworthiness Directives; Bombardier-Rotax GmbH 912 F Series and 912 S Series Reciprocating Engines

[Federal Register Volume 75, Number 173 (Wednesday, September 8, 2010)]
[Rules and Regulations]
[Pages 54462-54464]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2010-22147]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2010-0499; Directorate Identifier 2010-NE-06-AD; 
Amendment 39-16428; AD 2010-18-14]
RIN 2120-AA64


Airworthiness Directives; Bombardier-Rotax GmbH 912 F Series and 
912 S Series Reciprocating Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: We are adopting a new airworthiness directive (AD) for the 
products listed above. This AD results from mandatory continuing 
airworthiness information (MCAI) issued by an aviation authority of 
another country to identify and correct

[[Page 54463]]

an unsafe condition on an aviation product. The MCAI describes the 
unsafe condition as:

    Due to high fuel pressure, caused by exceeding pressure in front 
of the mechanical fuel pump (e.g. due to an electrical fuel pump), 
in limited cases a deviation in the fuel supply could occur. This 
can result in exceeding of the fuel pressure and might cause engine 
malfunction and/or massive fuel leakage.

We are issuing this AD to prevent the pump from exceeding the fuel 
pressure, which could result in engine malfunction or a massive fuel 
leak. These conditions could cause loss of control of the airplane or a 
fire.

DATES: This AD becomes effective October 13, 2010.

ADDRESSES: The Docket Operations office is located at Docket Management 
Facility, U.S. Department of Transportation, 1200 New Jersey Avenue, 
SE., West Building Ground Floor, Room W12-140, Washington, DC 20590-
0001.

FOR FURTHER INFORMATION CONTACT: Alan Strom, Aerospace Engineer, Engine 
Certification Office, FAA, Engine and Propeller Directorate, 12 New 
England Executive Park, Burlington, MA 01803; e-mail: 
[email protected]; telephone (781) 238-7143; fax (781) 238-7199.

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to include an AD that would apply to the specified products. 
That NPRM was published in the Federal Register on May 17, 2010 (75 FR 
27487). That NPRM proposed to correct an unsafe condition for the 
specified products. The MCAI states:

    Due to high fuel pressure, caused by exceeding pressure in front 
of the mechanical fuel pump (e.g. due to an electrical fuel pump), 
in limited cases a deviation in the fuel supply could occur. This 
can result in exceeding of the fuel pressure and might cause engine 
malfunction and/or massive fuel leakage.

Comments

    We gave the public the opportunity to participate in developing 
this AD. We received no comments on the NPRM or on the determination of 
the cost to the public.

Conclusion

    We reviewed the available data and determined that air safety and 
the public interest require adopting the AD as proposed.

Costs of Compliance

    Based on the service information, we estimate that this AD will 
affect about 50 products of U.S. registry. We also estimate that it 
will take about 0.5 work-hour per product to comply with this AD. The 
average labor rate is $85 per work-hour. Required parts will cost about 
$650 per product. Based on these figures, we estimate the cost of the 
AD on U.S. operators to be $34,625.

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 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 this AD:
    1. Is not a ``significant regulatory action'' under Executive Order 
12866;
    2. Is not a ``significant rule'' under the 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 regulatory evaluation of the estimated costs to 
comply with this AD and placed it in the AD docket.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov; or in person at the Docket Operations office 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this AD, the regulatory evaluation, 
any comments received, and other information. The street address for 
the Docket Operations office (phone (800) 647-5527) is provided in the 
ADDRESSES section. Comments will be available in the AD docket shortly 
after receipt.

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 FAA 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 adding the following new AD:

2010-18-14 Bombardier-Rotax GmbH (Formerly Motorenfabrik): Amendment 
39-16428. Docket No. FAA-2010-0499; Directorate Identifier 2010-NE-
06-AD.

Effective Date

    (a) This airworthiness directive (AD) becomes effective October 
13, 2010.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to Bombardier-Rotax 912 F series and 912 S 
series reciprocating engines with fuel pumps, part numbers (P/Ns) 
892230, 892232, 892540 (standard version) or P/Ns 892235, 892236, 
892545 (version including flexible fuel line), installed. These 
engines are installed on, but not limited to, Diamond (formerly 
HOAC) HK-36R Super Dimona, Aeromot AMT-200S Super Ximango; Diamond 
DA20-A1 Katana; Scheibe SF 25C; Iniziative Industriali Italiane 
S.p.A. Sky Arrow 650 TC, and 650 TCN airplanes.

Reason

    (d) This AD results from mandatory continuing airworthiness 
information (MCAI) issued by an aviation authority of another 
country to identify and correct an unsafe condition on an aviation 
product. The MCAI describes the unsafe condition as:

    Due to high fuel pressure, caused by exceeding pressure in front 
of the mechanical fuel pump (e.g. due to an electrical fuel pump), 
in limited cases a deviation in the fuel supply could occur. This 
can result in exceeding of the fuel pressure and might cause engine 
malfunction and/or massive fuel leakage.


[[Page 54464]]


We are issuing this AD to prevent the pump from exceeding the fuel 
pressure, which could result in engine malfunction or a massive fuel 
leak. These conditions could cause loss of control of the airplane 
or a fire.

Actions and Compliance

    (e) Unless already done, do the following actions.
    (1) At the next maintenance, or within the next 25 hours of 
engine operation, whichever occurs first, after the effective date 
of this AD, remove affected fuel pumps, P/Ns 892230, 892232, 892235, 
892236, 892540, or 892545.
    (2) After the effective date of this AD, do not install fuel 
pump, P/Ns 892230, 892232, 892235, 892236, 892540, or 892545, on any 
engine.

FAA AD Differences

    (f) This AD differs from the MCAI and/or service information as 
follows: The MCAI requires replacing an affected fuel pump with fuel 
pump, P/N 892542 or 892546. This AD requires replacement of an 
affected fuel pump with a fuel pump eligible for installation on the 
airplane.

Other FAA AD Provisions

    (g) Alternative Methods of Compliance (AMOCs): The Manager, 
Engine Certification Office, FAA, has the authority to approve AMOCs 
for this AD, if requested using the procedures found in 14 CFR 
39.19.

Related Information

    (h) Refer to MCAI AD 2007-0060R1-E, dated April 20, 2007, and 
Rotax Aircraft Engines Service Bulletin SB-912-053, dated April 13, 
2007, for related information. Contact BRP-Rotax GmbH & Co. KG, 
Welser Strasse 32, A-4623 Gunskirchen, Austria, or go to: 
http:[sol][sol]www.rotax-aircraft-engines.com[sol], for a copy of 
this service information.
    (i) Contact Alan Strom, Aerospace Engineer, Engine Certification 
Office, FAA, Engine and Propeller Directorate, 12 New England 
Executive Park, Burlington, MA 01803; e-mail: [email protected]; 
telephone (781) 238-7143; fax (781) 238-7199, for more information 
about this AD.

Material Incorporated by Reference

    (j) None.

    Issued in Burlington, Massachusetts, on August 27, 2010.
Thomas A. Boudreau,
Acting Manager, Engine and Propeller Directorate, Aircraft 
Certification Service.
[FR Doc. 2010-22147 Filed 9-7-10; 8:45 am]
BILLING CODE 4910-13-P

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