Published 2017-02-10 · Federal Register document 2017-01776
Airworthiness Directives; Airbus Airplanes
Publication summary
We are adopting a new airworthiness directive (AD) for certain Airbus Model A300 series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). This AD was prompted by a determination that certain inspection thresholds and intervals must be reduced. This AD requires repetitive detailed inspections for corrosion of the lower wing root joint, and related investigative and corrective actions if necessary. We are issuing this AD to address the unsafe condition on these products.
Why this record is shown
Source: Federal Register annual FAA metadata. Acquired 2026-09-03T22:23:54.997910+00:00. The title, summary and date are source facts.
- Source revision
- federal_register_ad_metadata_2017-90ba553c3b802c53
- Source row
- results[30]
- Raw source SHA-256
- 90ba553c3b802c5316e8d18f30db5da9f7731a87f58278ec2965f199ef4375e9
Final-rule publication
Recorded publication clauses
- AD identifier printed in this edition
- 2017-02-08
- Effective date printed in this edition
- 2017-03-17
Read 15 complete recorded clauses
Effective Date
(a) Effective Date
This AD is effective March 17, 2017.
Exact source excerpt. Text positions 18378–18440, end exclusive, in the original decoded publication. SHA-256: 8a53b34a9f7548b1785df55e290592aa442842d41700ead287bf72e0f258d557
Affected ADs
(b) Affected ADs
This AD affects AD 98-21-34, Amendment 39-10842 (63 FR 55524,
October 16, 1998) (``AD 98-21-34'').
Exact source excerpt. Text positions 18440–18563, end exclusive, in the original decoded publication. SHA-256: 5a5b070f117e204822d0cc79e2a7843641a8216b967abd4e8e88696637703733
Applicability wording · Applicability
(c) Applicability
This AD applies to Airbus airplanes, certificated in any
category, identified in paragraphs (c)(1) and (c)(2) of this AD.
(1) All Model A300 B2-1A, B2-1C, B2K-3C, B2-203, B4-2C, B4-103,
and B4-203 airplanes.
(2) Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R,
F4-605R, F4-622R, and C4-605R Variant F airplanes, except those on
which Airbus modification 10599 has been incorporated.
Exact source excerpt. Text positions 18563–18994, end exclusive, in the original decoded publication. SHA-256: 4d8e326e224c93dd791066ad634b87d4063254e0d8f4ce4c5ccc055fc7c4c6d6
Subject
(d) Subject
Air Transport Association (ATA) of America Code 57, Wings.
Exact source excerpt. Text positions 18994–19071, end exclusive, in the original decoded publication. SHA-256: 52f35cb894eac2144f3b0de7a455ce53cfbcfebe8c2ccd3b1ccbff2308cfe7df
Reason
(e) Reason
This AD was prompted by reports of corrosion on the lower wing
root joint located in the wing bottom skin inboard and outboard of
the external lower surface splice, and the determination that
certain existing inspection thresholds and intervals must be
reduced. We are issuing this AD to detect and correct corrosion and
cracking on the lower wing root joint, which could reduce the
structural integrity of the airframe.
Exact source excerpt. Text positions 19071–19515, end exclusive, in the original decoded publication. SHA-256: dcb21a220e95bbbe8b3cc7cf06fcde5c63db45d586f5240ad58abfa6ebe470fa
Compliance
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
Exact source excerpt. Text positions 19515–19617, end exclusive, in the original decoded publication. SHA-256: 00fbfa31932483f627d0ce0a11cbd2e35e15d9231842b91ac85623ce533912d3
Airplanes Excluded From the Requirements of AD 98-21-34 and This AD
(g) Airplanes Excluded From the Requirements of AD 98-21-34 and This AD
For Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R,
F4-605R, F4-622R, and C4-605R Variant F airplanes, on which Airbus
modification 10599 has been incorporated: As of the effective date
of this AD, the actions specified in AD 98-21-34 are no longer
required. No action is required by this AD.
Exact source excerpt. Text positions 19617–20005, end exclusive, in the original decoded publication. SHA-256: 11940958e22f6250adf3930ea1b90e24de2c1be2aa1443aca6c0137a99a526e5
Repetitive Inspections
(h) Repetitive Inspections
Within 60 months since the airplane's first flight, or within 60
months since accomplishment of the last inspection specified in
Airbus Service Bulletin A300-57-0204 or A300-57-6047, whichever
occurs later: Do a detailed inspection for corrosion of the rib 1
external lower surface splice between frame (FR)40 and FR47, in
accordance with the Accomplishment Instructions of Airbus Service
Bulletin A300-57-0204, Revision 01, dated April 2, 1999; or Airbus
Service Bulletin A300-57-6047, Revision 06, dated October 17, 2011;
as applicable. Repeat the inspection thereafter at intervals not to
exceed 60 months. Accomplishment of the initial inspection required
by this paragraph terminates the requirements of AD 98-21-34 for
Model A300 and A300-600 series airplanes.
Exact source excerpt. Text positions 20005–20816, end exclusive, in the original decoded publication. SHA-256: ea4e45b598f3f06833cd77f805d3c100c326fa880c4acf38cab237bff40b2e8c
Corrective Actions, Repetitive Fatigue Inspections, and Repair
(i) Corrective Actions, Repetitive Fatigue Inspections, and Repair
If any corrosion is found during any inspection required by
paragraph (h) of this AD, do the actions specified in paragraph
(i)(1) and (i)(2) of this AD.
(1) Before further flight, do all applicable corrective actions,
in accordance with the Accomplishment Instructions of Airbus Service
Bulletin A300-57-0204, Revision 01, dated April 2, 1999; or Airbus
Service Bulletin A300-57-6047, Revision 06, dated October 17, 2011;
as applicable; except as required by paragraph (j)(1) of this AD.
(2) At the applicable time specified in paragraph (i)(2)(i) or
(i)(2)(ii) of this AD, except as required by paragraph (j)(2) of
this AD: Do fatigue inspections to detect cracks of
[[Page 10258]]
the fasteners and on the surface of the forward and aft lower
surface panels, in accordance with the Accomplishment Instructions
of Airbus Service Bulletin A300-57-0204, Revision 01, dated April 2,
1999; or Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011; as applicable. Repeat the fatigue inspections
thereafter at the applicable interval specified in paragraph B.(5)
of Airbus Service Bulletin A300-57-0204, Revision 01, dated April 2,
1999; or Figure A-FBGAA, Sheet 01, of Airbus Service Bulletin A300-
57-6047, Revision 06, dated October 17, 2011; as applicable; except
as required by paragraph (j)(2) of this AD. If any cracking is found
during any fatigue inspection required by this paragraph: Before
further flight, repair using a method approved by the Manager,
International Branch, ANM-116, Transport Airplane Directorate, FAA;
or the European Aviation Safety Agency (EASA); or Airbus's EASA
Design Organization Approval (DOA).
(i) For Model A300 series airplanes: Do the initial inspection
at the applicable time specified in paragraph B.(5) of Airbus
Service Bulletin A300-57-0204, Revision 01, dated April 2, 1999.
(ii) For Model A300-600 series airplanes: Do the initial
inspection at the later of the times specified in paragraphs
(i)(2)(ii)(A) and (i)(2)(ii)(B) of this AD.
(A) At the applicable time specified in Figure A-FBGAA, Sheet
01, of Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011.
(B) Within 500 flight cycles or 1,050 flight hours after the
effective date of this AD, whichever occurs first, without exceeding
the compliance time specified in Airbus Service Bulletin A300-57-
6047, Revision 05, dated May 27, 2008.
Exact source excerpt. Text positions 20816–23324, end exclusive, in the original decoded publication. SHA-256: 072cf73ffd5cf254a16bb4c8ff687ff5d0b85b193ea604a3571f887f65806706
Exceptions to Service Bulletin Specifications
(j) Exceptions to Service Bulletin Specifications
(1) Where Airbus Service Bulletin A300-57-0204, Revision 01,
dated April 2, 1999; or Airbus Service Bulletin A300-57-6047,
Revision 06, dated October 17, 2011; specifies to contact Airbus for
appropriate corrective action, this AD requires repair before
further flight using a method approved by the Manager, International
Branch, ANM-116, Transport Airplane Directorate, FAA; or EASA; or
Airbus's EASA DOA.
(2) Where Airbus Service Bulletin A300-57-6047, Revision 06,
dated October 17, 2011, specifies to contact Airbus for the
appropriate threshold or repetitive interval, this AD requires that
the compliance time be determined using a method approved by the
Manager, International Branch, ANM-116, Transport Airplane
Directorate, FAA; or EASA; or Airbus's EASA DOA.
Exact source excerpt. Text positions 23324–24165, end exclusive, in the original decoded publication. SHA-256: 878c1af261894ce999d6e30efc3dff3c91e1bec694c69161f6a9a5b6a7148f9c
Calculating Average Flight Time (AFT)
(k) Calculating Average Flight Time (AFT)
For the purposes of paragraph (i)(2) of this AD, the AFT must be
established as specified in paragraphs (k)(1), (k)(2), and (k)(3) of
this AD.
(1) For the initial inspection, the AFT is the total accumulated
flight hours, counted from take-off to touch-down, divided by the
total accumulated flight cycles at the effective date of this AD.
(2) For the first repeated inspection interval, the AFT is the
total accumulated flight hours divided by the total accumulated
flight cycles at the time of the inspection threshold.
(3) For all inspection intervals onward, the AFT is the flight
hours accumulated between the two most recent inspections divided by
the flight cycles accumulated between the two most recent
inspections.
Exact source excerpt. Text positions 24165–24959, end exclusive, in the original decoded publication. SHA-256: eb3b2b2ae2470b72adef4f40eb39594ba8d611a5707663a09e0a5da3b7f06bc5
Credit for Previous Actions
(l) Credit for Previous Actions
This paragraph provides credit for the inspections and
corrective actions required by paragraphs (h) and (i) of this AD, if
those actions were performed before the effective date of this AD
using the applicable service information specified in paragraphs
(l)(1) through (l)(3) of this AD.
(1) Airbus Service Bulletin A300-57-6047, Revision 02, dated
April 2, 1999.
(2) Airbus Service Bulletin A300-57-6047, Revision 03, dated
September 28, 1999.
(3) Airbus Service Bulletin A300-57-6047, Revision 05, dated May
27, 2008.
Exact source excerpt. Text positions 24959–25537, end exclusive, in the original decoded publication. SHA-256: b6e7a7c1997edc02bfb5a52297630c3c23f8317911ac72d7d13e89c3b30fb427
Other FAA AD Provisions
(m) Other FAA AD Provisions
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
has the authority to approve AMOCs for this AD, if requested using
the procedures found in 14 CFR 39.19. In accordance with 14 CFR
39.19, send your request to your principal inspector or local Flight
Standards District Office, as appropriate. If sending information
directly to the International Branch, send it to ATTN: Dan Rodina,
Aerospace Engineer, International Branch, ANM-116, Transport
Airplane Directorate, FAA, 1601 Lind Avenue SW., Renton, WA 98057-
3356; telephone (425) 227-2125; fax (425) 227-1149. Information may
be emailed to: [email protected].
(i) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office. The AMOC approval letter must specifically
reference this AD.
(ii) AMOCs approved previously for AD 98-21-34 are approved as
AMOCs for the corresponding provisions of paragraphs (h) and (i) of
this AD.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain corrective actions from a manufacturer, the action must be
accomplished using a method approved by the Manager, International
Branch, ANM-116, Transport Airplane Directorate, FAA; or the EASA;
or Airbus's EASA DOA. If approved by the DOA, the approval must
include the DOA-authorized signature.
Exact source excerpt. Text positions 25537–27127, end exclusive, in the original decoded publication. SHA-256: d767e9445e619a1f0214cf34697d0aa29343fba960dfc87f5cbff6187ce7f99f
Related Information
(n) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) EASA AD 2013-0230, dated September 24, 2013, for related
information. This MCAI may be found in the AD docket on the Internet
at http://www.regulations.gov by searching for and locating Docket
No. FAA-2016-5040.
(2) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (o)(3) and (o)(4) of this AD.
Exact source excerpt. Text positions 27127–27614, end exclusive, in the original decoded publication. SHA-256: c8ec6d4f91f21fbf02efcd6370f6ed735058dc7e3585b0acba3c380b89afcdd2
Material Incorporated by Reference
(o) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless this AD specifies otherwise.
(i) Airbus Service Bulletin A300-57-0204, Revision 01, dated
April 2, 1999.
(ii) Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011.
(3) For service information identified in this AD, contact
Airbus SAS, Airworthiness Office--EAW, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96;
fax +33 5 61 93 44 51; email [email protected];
Internet http://www.airbus.com.
(4) You may view this service information at the FAA, Transport
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For
information on the availability of this material at the FAA, call
425-227-1221.
(5) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.
Exact source excerpt. Text positions 27614–28928, end exclusive, in the original decoded publication. SHA-256: d889fa6a003e21d125dd1b7d71cc6014af626795056e95482a086afac97fbeaf
Explicit nonreplacing affects wording
This publication says it affects these identifiers; they have not been treated as replacement targets.
Find all recorded historical references to AD 2017-02-08 · 0 printed reference observations in this pinned collection.
These are observations from one dated publication. Current legal status is unknown; aircraft applicability, installed configuration, compliance and burden require separate evidence. Missing or unparsed conditions remain unknown.
Why these observations are shown
They were extracted offline from the same immutable official HTML source as the complete recorded text. The dated source wording, original text coordinates and exact quote digests are retained. PDF/text agreement and current regulatory effect have not been qualified.
Observation revision: whole-ad-publication-clause-observations-1.0.1. Text SHA-256: 277abe58a6b34a24914fc84834fe468794c778b0b069ab0991e72f92a45e852d. Source manifest: 7aa498c0452ac1b57b8d3becc584664ac120c55006446aec52ddcceef112c932.
Official source · 2017-02-10
Publication text
This is the complete recorded text of this dated publication.
Current legal effect is unknown. Aircraft applicability, installed configuration and compliance require separate evidence. PDF/text agreement has not been evaluated.
Read the complete official publication text
[Federal Register Volume 82, Number 27 (Friday, February 10, 2017)]
[Rules and Regulations]
[Pages 10255-10258]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-01776]
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Rules and Regulations
Federal Register
________________________________________________________________________
This section of the FEDERAL REGISTER contains regulatory documents
having general applicability and legal effect, most of which are keyed
to and codified in the Code of Federal Regulations, which is published
under 50 titles pursuant to 44 U.S.C. 1510.
The Code of Federal Regulations is sold by the Superintendent of Documents.
Prices of new books are listed in the first FEDERAL REGISTER issue of each
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Federal Register / Vol. 82, No. 27 / Friday, February 10, 2017 /
Rules and Regulations
[[Page 10255]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2016-5040; Directorate Identifier 2013-NM-192-AD;
Amendment 39-18787; AD 2017-02-08]
RIN 2120-AA64
Airworthiness Directives; Airbus Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: We are adopting a new airworthiness directive (AD) for certain
Airbus Model A300 series airplanes; and Model A300 B4-600, B4-600R, and
F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes
(collectively called Model A300-600 series airplanes). This AD was
prompted by a determination that certain inspection thresholds and
intervals must be reduced. This AD requires repetitive detailed
inspections for corrosion of the lower wing root joint, and related
investigative and corrective actions if necessary. We are issuing this
AD to address the unsafe condition on these products.
DATES: This AD is effective March 17, 2017.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of March 17,
2017.
ADDRESSES: For service information identified in this final rule,
contact Airbus SAS, Airworthiness Office--EAW, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax
+33 5 61 93 44 51; email [email protected]; Internet
http://www.airbus.com. You may view this referenced service information
at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW.,
Renton, WA. For information on the availability of this material at the
FAA, call 425-227-1221. It is also available on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
5040.
Examining the AD Docket
You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
5040; or in person at the Docket Management Facility 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 Office (telephone
800-647-5527) is Docket Management Facility, U.S. Department of
Transportation, Docket Operations, M-30, West Building Ground Floor,
Room W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590.
FOR FURTHER INFORMATION CONTACT: Dan Rodina, Aerospace Engineer,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
1601 Lind Avenue SW., Renton, WA 98057-3356; telephone (425) 227-2125;
fax (425) 227-1149.
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would apply to certain Airbus Model A300
series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series
airplanes, and Model A300 C4-605R Variant F airplanes (collectively
called Model A300-600 series airplanes). The NPRM published in the
Federal Register on April 5, 2016 (81 FR 19509) (``the NPRM'').
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Union, has issued EASA AD
2013-0230, dated September 24, 2013 (referred to after this as the
Mandatory Continuing Airworthiness Information, or ``the MCAI''), to
correct an unsafe condition for certain Airbus Model A300 series
airplanes; and Model A300 B4-600, B4-600R, and F4-600R series
airplanes, and Model A300 C4-605R Variant F airplanes (collectively
called Model A300-600 series airplanes). The MCAI states:
Several cases of corrosion on the lower wing root joint, located
in the wing bottom skin inboard and outboard of the external lower
surface splice, have been reported by operators.
This condition, if not detected and corrected, could affect the
structural integrity of the airframe.
Prompted by these findings, [Direction G[eacute]n[eacute]rale de
l'Aviation Civile] (DGAC) France issued AD 1997-006-210 [which
corresponds to FAA AD 98-21-34, Amendment 39-10842 (63 FR 55524,
October 16, 1998)] to require repetitive inspections to detect the
presence of corrosion and prevent crack propagation at the wing
bottom skin, inboard and outboard of the Rib 1 external lower
surface splice, between Frame (FR) 40 and FR47.
DGAC France * * * issued [an AD] to expand the choice of
applicable Service Bulletins (SB). [The] DGAC France AD * * * was
issued to allow A300-600 operators to use Revision 04 of Airbus SB
A300-57-6047, converting flight cycles/''Fatigue rating'' into
flight cycles (FC)/flight hours (FH).
Subsequently, Airbus modification 10599 was developed to improve
the corrosion behaviour of the area. This improvement allowed
refining the inspection programme of the A300-600 aeroplane. For
post-modification 10599 A300-600 aeroplanes, the application of the
Maintenance Review Board Report (MRBR) inspection tasks was deemed
sufficient for maintaining an adequate level of safety on these
aeroplanes.
Consequently, EASA issued AD 2008-0208 (later revised),
retaining the requirements of [a] DGAC France AD * * *, which was
superseded, to require the use of Airbus SB A300-57-6047 Revision 05
for the inspections and to exclude post-modification 10599 A300-600
aeroplanes from the Applicability.
Since EASA AD 2008-0208R1 was issued, a fleet survey and updated
Fatigue and Damage Tolerance analyses have been performed in order
to substantiate the second A300-600 Extended Service Goal (ESG2)
exercise. The results of these analyses determined that the
threshold and interval must be reduced to allow timely detection of
these cracks and the accomplishment of an applicable corrective
action.
For the reasons described above, this [EASA] AD takes over and
retains the requirements for A300 and A300-600 aeroplanes from EASA
AD 2008-0208R1 (which has been revised, remaining applicable only to
A310 aeroplanes) and requires accomplishment of the inspections
within the new thresholds and intervals.
Required actions include repetitive detailed inspections for
corrosion of the
[[Page 10256]]
rib 1 external lower surface splice between FR40 and FR47, repetitive
fatigue inspections for cracking of the fasteners and on the surface of
the forward and aft lower surface panels if necessary, and corrective
actions (including application of new protective coating, removal of
corrosion, and measurement of the reworked depth) if necessary.
You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
5040.
Comments
We gave the public the opportunity to participate in developing
this AD. The following presents the comments received on the NPRM and
the FAA's response to each comment.
Request To Clarify the Applicability
United Parcel Service (UPS) requested that we change the
information in paragraph (c), Applicability, of the proposed AD. UPS
explained that paragraph (c) of the proposed AD defines the airplane
models applicable to the proposed rule, then has an exclusion later in
paragraph (g) of the proposed AD. UPS reasoned that we should simplify
by having related information in the same location, and suggested we
combine paragraph (c) and paragraph (g) of the proposed AD into a
single paragraph (c) of the proposed AD.
For the reasons stated by the commenter, we agree to include the
phrase, ``except those on which Airbus modification 10599 has been
incorporated,'' in paragraph (c)(2) of this AD. However, we disagree
with moving the statement, ``As of the effective date of this AD, the
actions specified in AD 98-21-34, Amendment 39-10842 (63 FR 55524,
October 16, 1998) (``AD 98-21-34'') are no longer required'' from
paragraph (g) of this AD to paragraph (c) of this AD because the
Applicability should not include this type of information; it is
appropriately included in other regulatory text such as paragraph (g)
of this AD.
Request To Clarify the Headings of Paragraphs (h) and (i) of the
Proposed AD
UPS requested that we revise the headings of paragraphs (h) and (i)
of the proposed AD because the paragraph titles do not reflect what is
contained within the respective paragraphs. UPS explained that
paragraph (h) of the proposed AD does not contain any corrective
actions, and paragraph (i) of the proposed AD contains fatigue
inspection requirements.
For the reasons stated by the commenter, we agree and have revised
the headings of both paragraphs (h) and (i) of this AD.
Request for Grace Period
UPS stated that upon its review of the fatigue inspection
requirements, it identified that there is not a transition/grace period
for airplanes on which inspections are already being accomplished, but
for which the new repetitive inspection intervals have already been
exceeded due to the service bulletin interval reductions.
We agree with the commenter's statement. We had erroneously
specified Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011, in the compliance time in paragraph (i)(2)(ii)(B) of
the proposed AD; the correct reference is Airbus Service Bulletin A300-
57-6047, Revision 05, dated May 27, 2008. We have changed paragraph
(i)(2)(ii)(B) of this AD to include a grace period of 500 flight cycles
or 1,050 flight hours (whichever occurs first), without exceeding the
compliance time specified in Airbus Service Bulletin A300-57-6047,
Revision 05, dated May 27, 2008.
Request To Remove Paragraph (j) of the Proposed AD
UPS requested that we delete paragraph (j) of the proposed AD. UPS
explained that paragraphs (j)(1) and (j)(2) of the proposed AD identify
differences between the service bulletin requirements specified by the
original equipment manufacturer (OEM) and the proposed AD. UPS stated
that in its review of paragraphs (j)(1) and (j)(2) of the proposed AD,
it does not recognize a difference between contacting Airbus for
corrective action, and using a method approved by the FAA for either
situation. UPS reasoned that, as the discrepancy is located on primary
structure and allowable/approved rework limits are exceeded, damage
tolerance analysis is required as part of the repair definition
process. UPS adds that the existing OEM process, the Repair Design
Approval Sheet (RDAS), contains instructions for continued
airworthiness and is approved by an EASA-designated airworthiness
engineer. Based on the existing process and procedures in place, UPS
does not believe that paragraph (j) of the proposed AD is necessary.
We disagree with the request to delete paragraph (j) of this AD.
Paragraph (j)(1) of this AD is required to address certain inspection
findings. The service information specifies that Airbus be contacted
for corrective action; however, paragraph (j)(1) of this AD requires
that one of the specific organizations identified must approve those
corrective actions. Likewise, paragraph (j)(2) of this AD specifies the
appropriate organizations for compliance time determinations.
Therefore, we have not changed this AD in this regard.
Request To Define Average Flight Time (AFT)
UPS requested that we revise paragraph (k) of the proposed AD to
match paragraph (i) of AD 2016-07-20, Amendment 39-18465 (81 FR 21255,
April 11, 2016). UPS reasoned that AD 2016-07-20 clearly defines when
the AFT value is calculated in subsequent repetitive inspection
interval determinations. UPS explained that recent FAA ADs have
included using AFT to determine repetitive inspection intervals, but
the definition of calculating the AFT value has varied among ADs, which
further complicates compliance across several mandatory ADs.
For the reasons stated by the commenter, we have added more
specific criteria for establishing the AFT in paragraph (k) of this AD.
Request To Include Approval for Previous Alternative Methods of
Compliance (AMOCs)
UPS requested that we revise paragraph (m) of the proposed AD to
include approval for previous AMOCs. UPS explained that other final
rules include approved AMOCs for prior or superseded ADs. UPS explained
further that it received AMOC approval for AD 98-21-34 in which the
intent is embodied within the proposed AD (i.e., no additional action
for an airplane with modification 10599 embodied), and that there may
be other AMOC approvals applicable to the previous AD.
We agree for the reasons stated by the commenter. We added the
previous AMOC approval information in paragraph (m)(1)(ii) of this
final rule.
Conclusion
We reviewed the relevant data, considered the comments received,
and determined that air safety and the public interest require adopting
this AD with the changes described previously and minor editorial
changes. We have determined that these minor changes:
<bullet> Are consistent with the intent that was proposed in the
NPRM for correcting the unsafe condition; and
<bullet> Do not add any additional burden upon the public than was
already proposed in the NPRM.
[[Page 10257]]
We also determined that these changes will not increase the
economic burden on any operator or increase the scope of this AD.
Related Service Information Under 1 CFR Part 51
We reviewed Airbus Service Bulletin A300-57-0204, Revision 01,
dated April 2, 1999; and Airbus Service Bulletin A300-57-6047, Revision
06, dated October 17, 2011. This service information describes
procedures for repetitive detailed inspections for corrosion of the rib
1 external lower surface splice between FR40 and FR47, repetitive
fatigue inspections for cracking of the fasteners and on the surface of
the forward and aft lower surface panels if necessary, and corrective
actions (including application of new protective coating, removal of
corrosion, and measurement of the reworked depth) if necessary. These
documents are distinct since they apply to different airplane models.
This service information is reasonably available because the interested
parties have access to it through their normal course of business or by
the means identified in the ADDRESSES section.
Costs of Compliance
We estimate that this AD affects 29 airplanes of U.S. registry. We
also estimate that it would take about 8 work-hours per product to
comply with the basic requirements of this AD. The average labor rate
is $85 per work-hour. Based on these figures, we estimate the cost of
this AD on U.S. operators to be $19,720, or $680 per product.
In addition, we estimate that any necessary follow-on actions would
take about 8 work-hours, for a cost of $680 per product. We have no way
of determining the number of aircraft that might need these actions.
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 that 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);
3. Will not affect intrastate aviation in Alaska; and
4. 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.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
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 airworthiness
directive (AD):
2017-02-08 Airbus: Amendment 39-18787; Docket No. FAA-2016-5040;
Directorate Identifier 2013-NM-192-AD.
(a) Effective Date
This AD is effective March 17, 2017.
(b) Affected ADs
This AD affects AD 98-21-34, Amendment 39-10842 (63 FR 55524,
October 16, 1998) (``AD 98-21-34'').
(c) Applicability
This AD applies to Airbus airplanes, certificated in any
category, identified in paragraphs (c)(1) and (c)(2) of this AD.
(1) All Model A300 B2-1A, B2-1C, B2K-3C, B2-203, B4-2C, B4-103,
and B4-203 airplanes.
(2) Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R,
F4-605R, F4-622R, and C4-605R Variant F airplanes, except those on
which Airbus modification 10599 has been incorporated.
(d) Subject
Air Transport Association (ATA) of America Code 57, Wings.
(e) Reason
This AD was prompted by reports of corrosion on the lower wing
root joint located in the wing bottom skin inboard and outboard of
the external lower surface splice, and the determination that
certain existing inspection thresholds and intervals must be
reduced. We are issuing this AD to detect and correct corrosion and
cracking on the lower wing root joint, which could reduce the
structural integrity of the airframe.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Airplanes Excluded From the Requirements of AD 98-21-34 and This AD
For Model A300 B4-601, B4-603, B4-620, B4-622, B4-605R, B4-622R,
F4-605R, F4-622R, and C4-605R Variant F airplanes, on which Airbus
modification 10599 has been incorporated: As of the effective date
of this AD, the actions specified in AD 98-21-34 are no longer
required. No action is required by this AD.
(h) Repetitive Inspections
Within 60 months since the airplane's first flight, or within 60
months since accomplishment of the last inspection specified in
Airbus Service Bulletin A300-57-0204 or A300-57-6047, whichever
occurs later: Do a detailed inspection for corrosion of the rib 1
external lower surface splice between frame (FR)40 and FR47, in
accordance with the Accomplishment Instructions of Airbus Service
Bulletin A300-57-0204, Revision 01, dated April 2, 1999; or Airbus
Service Bulletin A300-57-6047, Revision 06, dated October 17, 2011;
as applicable. Repeat the inspection thereafter at intervals not to
exceed 60 months. Accomplishment of the initial inspection required
by this paragraph terminates the requirements of AD 98-21-34 for
Model A300 and A300-600 series airplanes.
(i) Corrective Actions, Repetitive Fatigue Inspections, and Repair
If any corrosion is found during any inspection required by
paragraph (h) of this AD, do the actions specified in paragraph
(i)(1) and (i)(2) of this AD.
(1) Before further flight, do all applicable corrective actions,
in accordance with the Accomplishment Instructions of Airbus Service
Bulletin A300-57-0204, Revision 01, dated April 2, 1999; or Airbus
Service Bulletin A300-57-6047, Revision 06, dated October 17, 2011;
as applicable; except as required by paragraph (j)(1) of this AD.
(2) At the applicable time specified in paragraph (i)(2)(i) or
(i)(2)(ii) of this AD, except as required by paragraph (j)(2) of
this AD: Do fatigue inspections to detect cracks of
[[Page 10258]]
the fasteners and on the surface of the forward and aft lower
surface panels, in accordance with the Accomplishment Instructions
of Airbus Service Bulletin A300-57-0204, Revision 01, dated April 2,
1999; or Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011; as applicable. Repeat the fatigue inspections
thereafter at the applicable interval specified in paragraph B.(5)
of Airbus Service Bulletin A300-57-0204, Revision 01, dated April 2,
1999; or Figure A-FBGAA, Sheet 01, of Airbus Service Bulletin A300-
57-6047, Revision 06, dated October 17, 2011; as applicable; except
as required by paragraph (j)(2) of this AD. If any cracking is found
during any fatigue inspection required by this paragraph: Before
further flight, repair using a method approved by the Manager,
International Branch, ANM-116, Transport Airplane Directorate, FAA;
or the European Aviation Safety Agency (EASA); or Airbus's EASA
Design Organization Approval (DOA).
(i) For Model A300 series airplanes: Do the initial inspection
at the applicable time specified in paragraph B.(5) of Airbus
Service Bulletin A300-57-0204, Revision 01, dated April 2, 1999.
(ii) For Model A300-600 series airplanes: Do the initial
inspection at the later of the times specified in paragraphs
(i)(2)(ii)(A) and (i)(2)(ii)(B) of this AD.
(A) At the applicable time specified in Figure A-FBGAA, Sheet
01, of Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011.
(B) Within 500 flight cycles or 1,050 flight hours after the
effective date of this AD, whichever occurs first, without exceeding
the compliance time specified in Airbus Service Bulletin A300-57-
6047, Revision 05, dated May 27, 2008.
(j) Exceptions to Service Bulletin Specifications
(1) Where Airbus Service Bulletin A300-57-0204, Revision 01,
dated April 2, 1999; or Airbus Service Bulletin A300-57-6047,
Revision 06, dated October 17, 2011; specifies to contact Airbus for
appropriate corrective action, this AD requires repair before
further flight using a method approved by the Manager, International
Branch, ANM-116, Transport Airplane Directorate, FAA; or EASA; or
Airbus's EASA DOA.
(2) Where Airbus Service Bulletin A300-57-6047, Revision 06,
dated October 17, 2011, specifies to contact Airbus for the
appropriate threshold or repetitive interval, this AD requires that
the compliance time be determined using a method approved by the
Manager, International Branch, ANM-116, Transport Airplane
Directorate, FAA; or EASA; or Airbus's EASA DOA.
(k) Calculating Average Flight Time (AFT)
For the purposes of paragraph (i)(2) of this AD, the AFT must be
established as specified in paragraphs (k)(1), (k)(2), and (k)(3) of
this AD.
(1) For the initial inspection, the AFT is the total accumulated
flight hours, counted from take-off to touch-down, divided by the
total accumulated flight cycles at the effective date of this AD.
(2) For the first repeated inspection interval, the AFT is the
total accumulated flight hours divided by the total accumulated
flight cycles at the time of the inspection threshold.
(3) For all inspection intervals onward, the AFT is the flight
hours accumulated between the two most recent inspections divided by
the flight cycles accumulated between the two most recent
inspections.
(l) Credit for Previous Actions
This paragraph provides credit for the inspections and
corrective actions required by paragraphs (h) and (i) of this AD, if
those actions were performed before the effective date of this AD
using the applicable service information specified in paragraphs
(l)(1) through (l)(3) of this AD.
(1) Airbus Service Bulletin A300-57-6047, Revision 02, dated
April 2, 1999.
(2) Airbus Service Bulletin A300-57-6047, Revision 03, dated
September 28, 1999.
(3) Airbus Service Bulletin A300-57-6047, Revision 05, dated May
27, 2008.
(m) Other FAA AD Provisions
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
has the authority to approve AMOCs for this AD, if requested using
the procedures found in 14 CFR 39.19. In accordance with 14 CFR
39.19, send your request to your principal inspector or local Flight
Standards District Office, as appropriate. If sending information
directly to the International Branch, send it to ATTN: Dan Rodina,
Aerospace Engineer, International Branch, ANM-116, Transport
Airplane Directorate, FAA, 1601 Lind Avenue SW., Renton, WA 98057-
3356; telephone (425) 227-2125; fax (425) 227-1149. Information may
be emailed to: [email protected].
(i) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office. The AMOC approval letter must specifically
reference this AD.
(ii) AMOCs approved previously for AD 98-21-34 are approved as
AMOCs for the corresponding provisions of paragraphs (h) and (i) of
this AD.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain corrective actions from a manufacturer, the action must be
accomplished using a method approved by the Manager, International
Branch, ANM-116, Transport Airplane Directorate, FAA; or the EASA;
or Airbus's EASA DOA. If approved by the DOA, the approval must
include the DOA-authorized signature.
(n) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) EASA AD 2013-0230, dated September 24, 2013, for related
information. This MCAI may be found in the AD docket on the Internet
at http://www.regulations.gov by searching for and locating Docket
No. FAA-2016-5040.
(2) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (o)(3) and (o)(4) of this AD.
(o) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless this AD specifies otherwise.
(i) Airbus Service Bulletin A300-57-0204, Revision 01, dated
April 2, 1999.
(ii) Airbus Service Bulletin A300-57-6047, Revision 06, dated
October 17, 2011.
(3) For service information identified in this AD, contact
Airbus SAS, Airworthiness Office--EAW, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96;
fax +33 5 61 93 44 51; email [email protected];
Internet http://www.airbus.com.
(4) You may view this service information at the FAA, Transport
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For
information on the availability of this material at the FAA, call
425-227-1221.
(5) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued in Renton, Washington, on January 18, 2017.
Michael Kaszycki,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2017-01776 Filed 2-9-17; 8:45 am]
BILLING CODE 4910-13-P
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