Airworthiness Directives; Airbus Model A318-111 and A318-112 Airplanes and Model A319, A320, and A321 Airplanes, 56262-56265 [E7-19208]
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56262
Federal Register / Vol. 72, No. 191 / Wednesday, October 3, 2007 / Rules and Regulations
(2) On August 29, 2006 (71 FR 42026, July
25, 2006), the Director of the Federal Register
approved the incorporation by reference of
the service bulletins listed in Table 4 of this
AD.
TABLE 4.—MATERIAL PREVIOUSLY
INCORPORATED BY REFERENCE
Airbus Service
Bulletin—
Dated—
A300–28–0079
A300–28–0081
A310–28–2142
A310–28–2143
A310–28–2153
.........
.........
.........
.........
.........
September 29, 2005.
July 20, 2005.
August 26, 2005.
July 20, 2005.
July 20, 2005.
(3) Contact Airbus, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France, for a
copy of this service information. You may
review copies at the FAA, Transport Airplane
Directorate, 1601 Lind Avenue, SW., Renton,
Washington; or 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: https://www.archives.gov/federal-register/
cfr/ibr-locations.html.
Issued in Renton, Washington, on
September 21, 2007.
Ali Bahrami,
Manager, Transport Airplane Directorate,
Aircraft Certification Service.
[FR Doc. E7–19206 Filed 10–2–07; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2007–27015; Directorate
Identifier 2006–NM–169–AD; Amendment
39–15215; AD 2007–20–05]
RIN 2120–AA64
Airworthiness Directives; Airbus Model
A318–111 and A318–112 Airplanes and
Model A319, A320, and A321 Airplanes
Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
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AGENCY:
SUMMARY: The FAA is superseding two
existing airworthiness directives (ADs).
One AD applies to all Airbus Model
A319 and A320 airplanes and currently
requires repetitive ultrasonic
inspections to detect fatigue cracking in
the wing/fuselage joint cruciform
fittings, and corrective actions if
necessary. The other AD applies to all
Airbus Model A319, A320, and A321
airplanes and currently requires a
revision to the Airworthiness
Limitations section (ALS) of the
Instructions for Continued
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15:16 Oct 02, 2007
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Airworthiness (ICA). This new AD
requires new revisions to the ALS of the
ICA to incorporate service life limits for
certain items and inspections to detect
fatigue cracking, accidental damage, or
corrosion in certain structures; and
accomplishment of the repetitive
ultrasonic inspections of the wing/
fuselage joint cruciform fittings in
accordance with the revised ALS of the
ICA. This AD also adds airplanes to the
applicability. This AD results from
issuance of new and more restrictive
service life limits and structural
inspections based on fatigue testing and
in-service findings. We are issuing this
AD to detect and correct fatigue
cracking, accidental damage, or
corrosion in principal structural
elements and to prevent failure of
certain life limited parts, which could
result in reduced structural integrity of
the airplane.
DATES: This AD becomes effective
November 7, 2007.
The Director of the Federal Register
approved the incorporation by reference
of certain publications listed in the AD
as of November 7, 2007.
ADDRESSES: You may examine the AD
docket on the Internet at https://
dms.dot.gov or in person at the U.S.
Department of Transportation, Docket
Operations, M–30, West Building
Ground Floor, Room W12–140, 1200
New Jersey Avenue, SE., Washington,
DC.
Contact Airbus, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France,
for service information identified in this
AD.
FOR FURTHER INFORMATION CONTACT: Tim
Dulin, Aerospace Engineer,
International Branch, ANM–116, FAA,
Transport Airplane Directorate, 1601
Lind Avenue, SW., Renton, Washington
98057–3356; telephone (425) 227–2141;
fax (425) 227–1149.
SUPPLEMENTARY INFORMATION:
Examining the Docket
You may examine the AD docket on
the Internet at https://dms.dot.gov or in
person at the Docket Management
Facility office between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays. The Docket
Operations office (telephone (800) 647–
5527) is located on the ground floor of
the West Building at the DOT street
address stated in the ADDRESSES section.
Discussion
The FAA issued a notice of proposed
rulemaking (NPRM) to amend 14 CFR
part 39 to include an AD that
supersedes AD 2004–03–06, amendment
39–13450 (69 FR 5909, February 9,
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Fmt 4700
Sfmt 4700
2004) and AD 2005–02–09, amendment
39–13954 (70 FR 3871, January 27,
2005). AD 2004–03–06 applies to all
Airbus Model A319 and A320 airplanes,
and AD 2005–02–09 applies to all
Airbus Model A319, A320, and A321
airplanes. That NPRM was published in
the Federal Register on January 26,
2007 (72 FR 3768). That NPRM
proposed to require new revisions to the
Airworthiness Limitations section (ALS)
of the Instructions for Continued
Airworthiness (ICA) to incorporate
service life limits for certain items and
inspections to detect fatigue cracking,
accidental damage, or corrosion in
certain structures; and accomplishment
of the repetitive ultrasonic inspections
of the wing/fuselage joint cruciform
fittings in accordance with the revised
ALS of the ICA. That NPRM also
proposed to add airplanes to the
applicability.
Comments
We provided the public the
opportunity to participate in the
development of this AD. We have
considered the comments that have
been received on the NPRM.
Support for the NPRM
Airbus supports the NPRM.
Northwest Airlines and United Airlines
agree with the intent of the NPRM.
Request To Incorporate Certain Service
Information
The Air Transport Association (ATA),
on behalf of its member U.S. Airways,
requests that we incorporate the
following documents into this AD:
Airbus Operator Information Telex
(OIT) 999.0049/06, dated April 14, 2006;
Airbus OIT 999.0055/06/CL, dated May
4, 2006; and the Airbus A318/A319/
A320/A321 Scheduled Maintenance
Data (SMD). The commenters further
request that we revise this AD to allow
operators to use later revisions of Airbus
A318/A319/A320/A321 Airworthiness
Limitation Items, Document AI/SE–M4/
95A.0252/96 (hereafter referred to as the
‘‘Airbus ALI’’), as acceptable for
compliance with the requirements of
this AD. As justification for its request,
US Airways states that Airbus will be
revising the SMD and ALI on a regular
basis.
We agree to refer to Airbus ALI, Issue
08, dated March 2006 (approved by the
European Aviation Safety Agency
(EASA) on January 4, 2007); and Issue
09, dated November 2006 (approved by
the EASA on May 21, 2007); as
appropriate sources of service
information for accomplishing the
actions required by paragraph (i) of this
AD. We have also revised paragraph (j)
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of this AD accordingly. In the NPRM,
we referred to Airbus ALI, Issue 7, dated
December 2005 (approved by the EASA
on February 7, 2006), as the appropriate
source of service information. Issue 08
of the Airbus ALI adds Model A320–215
and –216 airplanes and Model A321–
214 airplanes to the applicability of
certain ALI tasks. Since these airplanes
have not yet been type certificated in
the U.S., incorporating Issue 08 of the
Airbus ALI into this AD does not
expand the scope of the AD. Issue 09 of
the Airbus ALI extends the compliance
time for certain ALI tasks and adds new
tasks for Model A318–121 and –122
airplanes. This AD does not apply to
Model A318–121 and –122 airplanes,
since Issue 09 of the Airbus ALI was
approved as part of the type certification
basis for the Model A318–121 and –122
airplanes. Therefore, incorporating Issue
09 of the Airbus ALI into this AD does
not expand the scope of the AD.
We do not agree to allow the use of
future revisions to the Airbus ALI
because we are prohibited from referring
to documents that do not yet exist.
Additionally, we do not agree to refer to
the other service information requested
by the commenters, since this AD only
mandates incorporation of Issue 7, 08,
or 09 of the Airbus ALI and Sub-parts
1–2 and 1–3 of Airbus A318/A319/
A320/A321 ALS Part 1—Safe Life
Airworthiness Limitation Items, dated
February 28, 2006.
Request To Extend Grace Period
United Airlines requests that, if ALI
Tasks 552007–01–1 and 552007–01–2
are required, we add an additional grace
period for accomplishing these tasks. As
justification, United Airlines states that
a longer grace period is needed to
account for the development of new
tooling or a non-destructive inspection
method that could produce more
conclusive findings than the current
inspection method. United Airlines
states that it has discussed this subject
with Airbus, and that Airbus and the
EASA are reviewing the matter. United
Airlines further states that Airbus has
not provided allowable damage limits in
Chapter 55–21–11, page series 101, of
the Airbus Structural Repair Manual
(SRM) for acceptable findings, which
would permit proceeding without repair
until the next inspection. United
Airlines believes that Airbus is pursuing
such relief; however, the timing is
unknown.
We agree to extend the grace period
for accomplishing ALI Task 552007–01–
1 from 20 months to 40 months, in
accordance with Issue 09 of the Airbus
ALI. As discussed previously, we have
revised paragraphs (i) and (j) of this AD
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15:16 Oct 02, 2007
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to refer to Issue 09 of the Airbus ALI.
However, we do not agree to extend the
grace period for ALI Task 552007–01–2.
The commenter has not recommended a
specific amount of time for extending
the compliance time, or provided data
showing that an extension in the
compliance time would provide an
acceptable level of safety. If data are
submitted to substantiate that such an
adjustment would provide an acceptable
level of safety, under the provisions of
paragraph (l) of this AD, we might
approve the request for an adjustment to
the compliance time. Further, if the
EASA issues a new airworthiness
directive to extend the compliance time
for these tasks or to revise the task
instructions, we will consider further
rulemaking. We have not revised this
AD in this regard.
Request To Exclude Certain ALI Tasks
The ATA, on behalf of its member
United Airlines, and Northwest Airlines
(NWA) request that we exclude ALI
Tasks 552007–01–1 and 552007–01–2
from the requirements of this AD. These
ALI tasks involve thermographic
inspections to detect the presence of
water in the carbon fiber composite
structure of the elevator control
surfaces. United Airlines states that,
based on inspections it has conducted,
this method of inspection has not
provided conclusive evidence of water
ingression; its findings were limited to
manufacturing defects. United Airlines
also states that the inspection process is
questionable, and that there is no
effective non-destructive verification
tool currently available to validate the
presence of water. United Airlines
asserts that the current process is more
destructive to the elevator, as the skins
and core in the area were removed and
subsequently repaired.
United Airlines also states that these
ALI tasks were incorporated into the
Airbus ALI without MSG–3 Analysis
review by the Industry Structures
Working Group. United Airlines states
that composite structures are not subject
to fatigue-based analysis and, therefore,
do not fit into the Airbus ALI. United
Airlines also states that, to date, it has
not identified any cases of delamination
on the elevators inspected by the same
techniques in accordance with AD
2002–18–01 and the ALI. United
Airlines further states that Airbus has
not reported any in-service incidents
resulting from elevator aerodynamic
limitations.
NWA states that the tasks should be
required by an AD-mandated service
bulletin instead of including the tasks in
the Airbus ALI. NWA asserts that the
elevator water ingression resulted from
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56263
a design problem that would more
appropriately be managed through the
service bulletin process. NWA states
that including the tasks in the ALI
document diminishes visibility of the
unsafe condition and avoids
coordination between the manufacturer
and operators in identifying the scope
and corrective actions for the unsafe
condition. NWA also states that
including the tasks into the ALI
document increases the risk of record
retention and compliance issues. NWA
further states that inclusion of nonfatigue-based inspections for easily
removable parts into the Airbus ALI
could potentially change NWA’s
maintenance program. NWA asserts that
safety items of this complexity demand
rigorous and thorough review prior to
implementation, which can best be
achieved through the airworthiness
concern coordination process that has
been successfully used for years by the
industry.
We do not agree to exclude ALI Tasks
552007–01–1 and 552007–01–2 from the
requirements of this AD. The
commenters have not provided any data
to indicate that these inspections are not
effective, or that there is no unsafe
condition. In addition, section 25.571 of
the Federal Aviation Regulations (14
CFR 25.571) does not differentiate
between removable and non-removable
structures, and tracking elevator time
would be required regardless of whether
the problem was addressed by a service
bulletin or the Airbus ALI. Although we
agree that the ALIs primarily deal with
fatigue issues, FAA Advisory Circular
20–107A, ‘‘Composite Aircraft
Structure,’’ dated April 25, 1984, states
that the effects of temperature,
humidity, and other environmental
factors that might result in material
property degradation should be
addressed in the damage tolerance
evaluation. Water ingress in the elevator
structure is clearly an environmental
factor that could result in an unsafe
condition. Operators were given due
process by publication of the NPRM and
the Airbus ALI. Therefore, we have not
changed this AD in this regard.
Conclusion
We have carefully reviewed the
available data, including the comments
that have been 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.
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Federal Register / Vol. 72, No. 191 / Wednesday, October 3, 2007 / Rules and Regulations
Costs of Compliance
The following table provides the
estimated costs, at an average labor rate
of $80 per hour, for U.S. operators to
comply with this AD.
ESTIMATED COSTS
Work
hours
Action
ALS revision(required by AD 2005–02–09) .................................................................
ALS revision (new action) ............................................................................................
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.
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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 regulatory evaluation
of the estimated costs to comply with
this AD and placed it in the AD docket.
See the ADDRESSES section for a location
to examine the regulatory evaluation.
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1
1
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:
I
PART 39—AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:
I
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
[Amended]
2. The Federal Aviation
Administration (FAA) amends § 39.13
by removing amendment 39–13450 (69
FR 5909, February 9, 2004) and
amendment 39–13954 (70 FR 3871,
January 27, 2005) and by adding the
following new airworthiness directive
(AD):
I
2007–20–05 Airbus: Amendment 39–15215.
Docket No. FAA–2007–27015;
Directorate Identifier 2006–NM–169–AD.
Effective Date
(a) This AD becomes effective November 7,
2007.
Affected ADs
(b) This AD supersedes AD 2004–03–06
and AD 2005–02–09.
Applicability
(c) This AD applies to all Airbus Model
A318–111, A318–112, A319, A320, and A321
airplanes, certificated in any category.
Note 1: This AD requires revisions to
certain operator maintenance documents to
include new inspections. Compliance with
these inspections is required by 14 CFR
91.403(c). For airplanes that have been
previously modified, altered, or repaired in
the areas addressed by these inspections, the
operator may not be able to accomplish the
inspections described in the revisions. In this
situation, to comply with 14 CFR 91.403(c),
the operator must request approval for an
alternative method of compliance according
to paragraph (l) of this AD. The request
should include a description of changes to
the required inspections that will ensure the
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Cost per
airplane
$80
80
Number of
U.S.-registered
airplanes
Fleet cost
720
720
$57,600
57,600
continued damage tolerance of the affected
structure. The FAA has provided guidance
for this determination in Advisory Circular
(AC) 25.1529–1.
Unsafe Condition
(d) This AD results from issuance of new
and more restrictive service life limits and
structural inspections based on fatigue
testing and in-service findings. We are
issuing this AD to detect and correct fatigue
cracking, accidental damage, or corrosion in
principal structural elements and to prevent
failure of certain life limited parts, which
could result in reduced structural integrity of
the airplane.
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.
Restatement of Requirements of AD
2005–02–09
Revise Airworthiness Limitations Section
(ALS)
(f) For all Model A319, A320, and A321
airplanes: Within 6 months after March 3,
2005 (the effective date of AD 2005–02–09),
revise the ALS of the Instructions for
Continued Airworthiness in accordance with
a method approved by the Manager,
International Branch, ANM–116, Transport
Airplane Directorate, FAA; or the Direction
´ ´
Generale de l’Aviation Civile (DGAC) (or its
delegated agent); or the European Aviation
Safety Agency (EASA) (or its delegated
agent). One approved method of compliance
is incorporating Airbus A318/A319/A320/
A321 Maintenance Planning Document
(MPD), sub-Section 9–1–2, ‘‘Life Limited
Parts,’’ and sub-Section 9–1–3,
‘‘Demonstrated Fatigue Life Parts,’’ both
Revision 06, both dated June 13, 2003.
Note 2: Airbus Service Information Letter
32–098, dated December 22, 2003, may be
used as a source of service information for
managing life limited and demonstrated
fatigue life parts that were not previously
tracked.
(g) For all Model A319, A320, and A321
airplanes; except Model A319 airplanes on
which Airbus Modifications 28238, 28162,
and 28342 were incorporated during
production: Within 6 months after March 3,
2005, revise the ALS of the Instructions for
Continued Airworthiness in accordance with
a method approved by the Manager,
International Branch, ANM–116; or the
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Federal Register / Vol. 72, No. 191 / Wednesday, October 3, 2007 / Rules and Regulations
DGAC (or its delegated agent); or the EASA
(or its delegated agent). One approved
method of compliance is incorporating both
Airbus A318/A319/A320/A321 MPD, subSection 9–2, ‘‘Airworthiness Limitation
Items,’’ Revision 06, dated June 13, 2003; and
Airbus A318/A319/A320/A321
Airworthiness Limitation Items (ALIs),
Document AI/SE–M4/95A.0252/96, Issue 6,
dated May 15, 2003 (approved by the DGAC
on July 15, 2003).
New Requirements of This AD
Revise ALS To Incorporate Safe Life ALIs
(h) For all airplanes: Within 3 months after
the effective date of this AD, revise the ALS
of the Instructions for Continued
Airworthiness to incorporate Sub-part 1–2,
‘‘Life Limits,’’ and Sub-part 1–3,
‘‘Demonstrated Fatigue Lives,’’ of Airbus
A318/A319/A320/A321 ALS Part 1—Safe
Life Airworthiness Limitation Items, dated
February 28, 2006 (hereafter referred to as
‘‘ALS Part 1’’). Accomplish the actions in
ALS Part 1 at the times specified in ALS Part
1, except as provided by paragraph (j) of this
AD. For Model A319, A320, and A321
airplanes, accomplishing the revision in this
paragraph terminates the requirements of
paragraph (f) of this AD.
Revise ALS To Incorporate Damage-Tolerant
ALIs
(i) For all airplanes, except Model A319
airplanes on which Airbus Modifications
28238, 28162, and 28342 have been
incorporated in production: Within 14 days
after the effective date of this AD, revise the
ALS of the Instructions for Continued
Airworthiness to incorporate Airbus A318/
A319/A320/A321 Airworthiness Limitation
Items, Document AI/SE–M4/95A.0252/96,
Issue 7, dated December 2005 (approved by
the EASA on February 7, 2006) (hereafter
referred to as ‘‘Issue 7 of the ALI’’); Issue 08,
dated March 2006 (approved by the EASA on
January 4, 2007) (hereafter referred to as
‘‘Issue 08 of the ALI’’); or Issue 09, dated
November 2006 (approved by the EASA on
May 21, 2007) (hereafter referred to as ‘‘Issue
09 of the ALI’’). Accomplish the actions in
Issue 7, Issue 08, or Issue 09 of the ALI at
the times specified in Issue 7, Issue 08, or
Issue 09 of the ALI, as applicable, except as
provided by paragraph (j) of this AD. For
Model A319, A320, and A321 airplanes,
accomplishing the revision in this paragraph
terminates the requirements of paragraph (g)
of this AD.
Grace Period for New or More Restrictive
Actions
(j) For any new or more restrictive life limit
introduced with ALS Part 1, replace the part
at the time specified in ALS Part 1 or within
6 months after the effective date of this AD,
whichever is later. For any new or more
restrictive inspection introduced with Issue
7, Issue 08, or Issue 09 of the ALI, do the
inspection at the time specified in Issue 7,
Issue 08, or Issue 09 of the ALI, as applicable,
or within 6 months after the effective date of
this AD, whichever is later.
No Alternative Life Limits, Inspections, or
Inspection Intervals
(k) After the actions specified in
paragraphs (h) and (i) of this AD have been
accomplished, no alternative life limits,
inspections, or inspection intervals may be
used, except as provided by paragraphs (j)
and (l) of this AD.
Alternative Methods of Compliance (AMOCs)
(l)(1) The Manager, International Branch,
ANM–116, Transport Airplane Directorate,
FAA, has the authority to approve AMOCs
for this AD, if requested in accordance with
the procedures found in 14 CFR 39.19.
(2) To request a different method of
compliance or a different compliance time
for this AD, follow the procedures in 14 CFR
39.19. Before using any approved AMOC on
any airplane to which the AMOC applies,
notify your appropriate principal inspector
(PI) in the FAA Flight Standards District
Office (FSDO), or lacking a PI, your local
FSDO.
Related Information
(m) EASA airworthiness directive 2006–
0162, dated June 8, 2006; and EASA
airworthiness direction 2006–0165, dated
June 13, 2006; also address the subject of this
AD.
Material Incorporated by Reference
(n) You must use the service information
identified in Table 1 of this AD, as
applicable, to perform the actions that are
required by this AD, unless the AD specifies
otherwise.
TABLE 1.—MATERIAL INCORPORATED BY REFERENCE
Revision/issue level
Airbus A318/A319/A320/A321 ALS Part 1—Safe Life Airworthiness Limitation
Items.
Airbus A318/A319/A320/A321 Airworthiness Limitation Items, Document AI/SE–
M4/95A.0252/96.
Airbus A318/A319/A320/A321 Airworthiness Limitation Items, Document AI/SE–
M4/95A.0252/96.
Airbus A318/A319/A320/A321 Airworthiness Limitation Items, Document AI/SE–
M4/95A.0252/96.
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Service information
Revision 00 ...........................................
February 28, 2006.
Issue 7 ...................................................
December 2005.
Issue 08 .................................................
March 2006.
Issue 09 .................................................
November 2006.
(Issue 7 of Airbus A318/A319/A320/A321
Airworthiness Limitation Items, Document
AI/SE–M4/95A.0252/96, contains the
following errors: The Summary of Changes is
comprised of 11 pages, which are all
identified as Page 2—LEP of Section LEP
instead of Page 1—SOC [through] Page 11—
SOC of Section SOC; the List of Effective
Pages only refers to Page 1—SOC for the
Summary of Changes. The List of Effective
Pages is comprised of two pages, and both of
those pages are identified as Page 2—LEP.
The first page of Section 2 is identified as
Page 6 of Section 1 and is not referred to in
the List of Effective Pages. Issue 08 of Airbus
A318/A319/A320/A321 Airworthiness
Limitation Items, Document AI/SE–M4/
95A.0252/96, contains the following errors:
Pages 3—ROR and 2—SOC are not referred
to in the List of Effective Pages. The List of
Effective Pages are identified as Pages 1—
SOC and 2—SOC, instead of 1—LEP and 2—
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15:16 Oct 02, 2007
Jkt 214001
LEP. The first page of Section 2 is identified
as Page 6 of Section 1 and is not referred to
in the List of Effective Pages.) The Director
of the Federal Register approved the
incorporation by reference of these
documents in accordance with 5 U.S.C.
552(a) and 1 CFR part 51. Contact Airbus, 1
Rond Point Maurice Bellonte, 31707 Blagnac
Cedex, France, for a copy of this service
information. You may review copies at the
FAA, Transport Airplane Directorate, 1601
Lind Avenue, SW., Renton, Washington; or 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: https://
www.archives.gov/federal-register/cfr/ibrlocations.html.
PO 00000
Frm 00025
Fmt 4700
Sfmt 4700
Date
Issued in Renton, Washington, on
September 21, 2007.
Ali Bahrami,
Manager, Transport Airplane Directorate,
Aircraft Certification Service.
[FR Doc. E7–19208 Filed 10–2–07; 8:45 am]
BILLING CODE 4910–13–P
E:\FR\FM\03OCR1.SGM
03OCR1
Agencies
[Federal Register Volume 72, Number 191 (Wednesday, October 3, 2007)]
[Rules and Regulations]
[Pages 56262-56265]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E7-19208]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2007-27015; Directorate Identifier 2006-NM-169-AD;
Amendment 39-15215; AD 2007-20-05]
RIN 2120-AA64
Airworthiness Directives; Airbus Model A318-111 and A318-112
Airplanes and Model A319, A320, and A321 Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: The FAA is superseding two existing airworthiness directives
(ADs). One AD applies to all Airbus Model A319 and A320 airplanes and
currently requires repetitive ultrasonic inspections to detect fatigue
cracking in the wing/fuselage joint cruciform fittings, and corrective
actions if necessary. The other AD applies to all Airbus Model A319,
A320, and A321 airplanes and currently requires a revision to the
Airworthiness Limitations section (ALS) of the Instructions for
Continued Airworthiness (ICA). This new AD requires new revisions to
the ALS of the ICA to incorporate service life limits for certain items
and inspections to detect fatigue cracking, accidental damage, or
corrosion in certain structures; and accomplishment of the repetitive
ultrasonic inspections of the wing/fuselage joint cruciform fittings in
accordance with the revised ALS of the ICA. This AD also adds airplanes
to the applicability. This AD results from issuance of new and more
restrictive service life limits and structural inspections based on
fatigue testing and in-service findings. We are issuing this AD to
detect and correct fatigue cracking, accidental damage, or corrosion in
principal structural elements and to prevent failure of certain life
limited parts, which could result in reduced structural integrity of
the airplane.
DATES: This AD becomes effective November 7, 2007.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in the AD as of November 7,
2007.
ADDRESSES: You may examine the AD docket on the Internet at https://
dms.dot.gov or in person at the U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue, SE., Washington, DC.
Contact Airbus, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex,
France, for service information identified in this AD.
FOR FURTHER INFORMATION CONTACT: Tim Dulin, Aerospace Engineer,
International Branch, ANM-116, FAA, Transport Airplane Directorate,
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425)
227-2141; fax (425) 227-1149.
SUPPLEMENTARY INFORMATION:
Examining the Docket
You may examine the AD docket on the Internet at https://dms.dot.gov
or in person at the Docket Management Facility office between 9 a.m.
and 5 p.m., Monday through Friday, except Federal holidays. The Docket
Operations office (telephone (800) 647-5527) is located on the ground
floor of the West Building at the DOT street address stated in the
ADDRESSES section.
Discussion
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to include an AD that supersedes AD 2004-03-06, amendment
39-13450 (69 FR 5909, February 9, 2004) and AD 2005-02-09, amendment
39-13954 (70 FR 3871, January 27, 2005). AD 2004-03-06 applies to all
Airbus Model A319 and A320 airplanes, and AD 2005-02-09 applies to all
Airbus Model A319, A320, and A321 airplanes. That NPRM was published in
the Federal Register on January 26, 2007 (72 FR 3768). That NPRM
proposed to require new revisions to the Airworthiness Limitations
section (ALS) of the Instructions for Continued Airworthiness (ICA) to
incorporate service life limits for certain items and inspections to
detect fatigue cracking, accidental damage, or corrosion in certain
structures; and accomplishment of the repetitive ultrasonic inspections
of the wing/fuselage joint cruciform fittings in accordance with the
revised ALS of the ICA. That NPRM also proposed to add airplanes to the
applicability.
Comments
We provided the public the opportunity to participate in the
development of this AD. We have considered the comments that have been
received on the NPRM.
Support for the NPRM
Airbus supports the NPRM. Northwest Airlines and United Airlines
agree with the intent of the NPRM.
Request To Incorporate Certain Service Information
The Air Transport Association (ATA), on behalf of its member U.S.
Airways, requests that we incorporate the following documents into this
AD: Airbus Operator Information Telex (OIT) 999.0049/06, dated April
14, 2006; Airbus OIT 999.0055/06/CL, dated May 4, 2006; and the Airbus
A318/A319/A320/A321 Scheduled Maintenance Data (SMD). The commenters
further request that we revise this AD to allow operators to use later
revisions of Airbus A318/A319/A320/A321 Airworthiness Limitation Items,
Document AI/SE-M4/95A.0252/96 (hereafter referred to as the ``Airbus
ALI''), as acceptable for compliance with the requirements of this AD.
As justification for its request, US Airways states that Airbus will be
revising the SMD and ALI on a regular basis.
We agree to refer to Airbus ALI, Issue 08, dated March 2006
(approved by the European Aviation Safety Agency (EASA) on January 4,
2007); and Issue 09, dated November 2006 (approved by the EASA on May
21, 2007); as appropriate sources of service information for
accomplishing the actions required by paragraph (i) of this AD. We have
also revised paragraph (j)
[[Page 56263]]
of this AD accordingly. In the NPRM, we referred to Airbus ALI, Issue
7, dated December 2005 (approved by the EASA on February 7, 2006), as
the appropriate source of service information. Issue 08 of the Airbus
ALI adds Model A320-215 and -216 airplanes and Model A321-214 airplanes
to the applicability of certain ALI tasks. Since these airplanes have
not yet been type certificated in the U.S., incorporating Issue 08 of
the Airbus ALI into this AD does not expand the scope of the AD. Issue
09 of the Airbus ALI extends the compliance time for certain ALI tasks
and adds new tasks for Model A318-121 and -122 airplanes. This AD does
not apply to Model A318-121 and -122 airplanes, since Issue 09 of the
Airbus ALI was approved as part of the type certification basis for the
Model A318-121 and -122 airplanes. Therefore, incorporating Issue 09 of
the Airbus ALI into this AD does not expand the scope of the AD.
We do not agree to allow the use of future revisions to the Airbus
ALI because we are prohibited from referring to documents that do not
yet exist. Additionally, we do not agree to refer to the other service
information requested by the commenters, since this AD only mandates
incorporation of Issue 7, 08, or 09 of the Airbus ALI and Sub-parts 1-2
and 1-3 of Airbus A318/A319/A320/A321 ALS Part 1--Safe Life
Airworthiness Limitation Items, dated February 28, 2006.
Request To Extend Grace Period
United Airlines requests that, if ALI Tasks 552007-01-1 and 552007-
01-2 are required, we add an additional grace period for accomplishing
these tasks. As justification, United Airlines states that a longer
grace period is needed to account for the development of new tooling or
a non-destructive inspection method that could produce more conclusive
findings than the current inspection method. United Airlines states
that it has discussed this subject with Airbus, and that Airbus and the
EASA are reviewing the matter. United Airlines further states that
Airbus has not provided allowable damage limits in Chapter 55-21-11,
page series 101, of the Airbus Structural Repair Manual (SRM) for
acceptable findings, which would permit proceeding without repair until
the next inspection. United Airlines believes that Airbus is pursuing
such relief; however, the timing is unknown.
We agree to extend the grace period for accomplishing ALI Task
552007-01-1 from 20 months to 40 months, in accordance with Issue 09 of
the Airbus ALI. As discussed previously, we have revised paragraphs (i)
and (j) of this AD to refer to Issue 09 of the Airbus ALI. However, we
do not agree to extend the grace period for ALI Task 552007-01-2. The
commenter has not recommended a specific amount of time for extending
the compliance time, or provided data showing that an extension in the
compliance time would provide an acceptable level of safety. If data
are submitted to substantiate that such an adjustment would provide an
acceptable level of safety, under the provisions of paragraph (l) of
this AD, we might approve the request for an adjustment to the
compliance time. Further, if the EASA issues a new airworthiness
directive to extend the compliance time for these tasks or to revise
the task instructions, we will consider further rulemaking. We have not
revised this AD in this regard.
Request To Exclude Certain ALI Tasks
The ATA, on behalf of its member United Airlines, and Northwest
Airlines (NWA) request that we exclude ALI Tasks 552007-01-1 and
552007-01-2 from the requirements of this AD. These ALI tasks involve
thermographic inspections to detect the presence of water in the carbon
fiber composite structure of the elevator control surfaces. United
Airlines states that, based on inspections it has conducted, this
method of inspection has not provided conclusive evidence of water
ingression; its findings were limited to manufacturing defects. United
Airlines also states that the inspection process is questionable, and
that there is no effective non-destructive verification tool currently
available to validate the presence of water. United Airlines asserts
that the current process is more destructive to the elevator, as the
skins and core in the area were removed and subsequently repaired.
United Airlines also states that these ALI tasks were incorporated
into the Airbus ALI without MSG-3 Analysis review by the Industry
Structures Working Group. United Airlines states that composite
structures are not subject to fatigue-based analysis and, therefore, do
not fit into the Airbus ALI. United Airlines also states that, to date,
it has not identified any cases of delamination on the elevators
inspected by the same techniques in accordance with AD 2002-18-01 and
the ALI. United Airlines further states that Airbus has not reported
any in-service incidents resulting from elevator aerodynamic
limitations.
NWA states that the tasks should be required by an AD-mandated
service bulletin instead of including the tasks in the Airbus ALI. NWA
asserts that the elevator water ingression resulted from a design
problem that would more appropriately be managed through the service
bulletin process. NWA states that including the tasks in the ALI
document diminishes visibility of the unsafe condition and avoids
coordination between the manufacturer and operators in identifying the
scope and corrective actions for the unsafe condition. NWA also states
that including the tasks into the ALI document increases the risk of
record retention and compliance issues. NWA further states that
inclusion of non-fatigue-based inspections for easily removable parts
into the Airbus ALI could potentially change NWA's maintenance program.
NWA asserts that safety items of this complexity demand rigorous and
thorough review prior to implementation, which can best be achieved
through the airworthiness concern coordination process that has been
successfully used for years by the industry.
We do not agree to exclude ALI Tasks 552007-01-1 and 552007-01-2
from the requirements of this AD. The commenters have not provided any
data to indicate that these inspections are not effective, or that
there is no unsafe condition. In addition, section 25.571 of the
Federal Aviation Regulations (14 CFR 25.571) does not differentiate
between removable and non-removable structures, and tracking elevator
time would be required regardless of whether the problem was addressed
by a service bulletin or the Airbus ALI. Although we agree that the
ALIs primarily deal with fatigue issues, FAA Advisory Circular 20-107A,
``Composite Aircraft Structure,'' dated April 25, 1984, states that the
effects of temperature, humidity, and other environmental factors that
might result in material property degradation should be addressed in
the damage tolerance evaluation. Water ingress in the elevator
structure is clearly an environmental factor that could result in an
unsafe condition. Operators were given due process by publication of
the NPRM and the Airbus ALI. Therefore, we have not changed this AD in
this regard.
Conclusion
We have carefully reviewed the available data, including the
comments that have been 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.
[[Page 56264]]
Costs of Compliance
The following table provides the estimated costs, at an average
labor rate of $80 per hour, for U.S. operators to comply with this AD.
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Number of U.S.-
Action Work Cost per registered Fleet cost
hours airplane airplanes
----------------------------------------------------------------------------------------------------------------
ALS revision(required by AD 2005-02-09)................ 1 $80 720 $57,600
ALS revision (new action).............................. 1 80 720 57,600
----------------------------------------------------------------------------------------------------------------
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 regulatory evaluation of the estimated costs to
comply with this AD and placed it in the AD docket. See the ADDRESSES
section for a location to examine the regulatory evaluation.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, 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 Federal Aviation Administration (FAA) amends Sec. 39.13 by
removing amendment 39-13450 (69 FR 5909, February 9, 2004) and
amendment 39-13954 (70 FR 3871, January 27, 2005) and by adding the
following new airworthiness directive (AD):
2007-20-05 Airbus: Amendment 39-15215. Docket No. FAA-2007-27015;
Directorate Identifier 2006-NM-169-AD.
Effective Date
(a) This AD becomes effective November 7, 2007.
Affected ADs
(b) This AD supersedes AD 2004-03-06 and AD 2005-02-09.
Applicability
(c) This AD applies to all Airbus Model A318-111, A318-112,
A319, A320, and A321 airplanes, certificated in any category.
Note 1: This AD requires revisions to certain operator
maintenance documents to include new inspections. Compliance with
these inspections is required by 14 CFR 91.403(c). For airplanes
that have been previously modified, altered, or repaired in the
areas addressed by these inspections, the operator may not be able
to accomplish the inspections described in the revisions. In this
situation, to comply with 14 CFR 91.403(c), the operator must
request approval for an alternative method of compliance according
to paragraph (l) of this AD. The request should include a
description of changes to the required inspections that will ensure
the continued damage tolerance of the affected structure. The FAA
has provided guidance for this determination in Advisory Circular
(AC) 25.1529-1.
Unsafe Condition
(d) This AD results from issuance of new and more restrictive
service life limits and structural inspections based on fatigue
testing and in-service findings. We are issuing this AD to detect
and correct fatigue cracking, accidental damage, or corrosion in
principal structural elements and to prevent failure of certain life
limited parts, which could result in reduced structural integrity of
the airplane.
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.
Restatement of Requirements of AD 2005-02-09
Revise Airworthiness Limitations Section (ALS)
(f) For all Model A319, A320, and A321 airplanes: Within 6
months after March 3, 2005 (the effective date of AD 2005-02-09),
revise the ALS of the Instructions for Continued Airworthiness in
accordance with a method approved by the Manager, International
Branch, ANM-116, Transport Airplane Directorate, FAA; or the
Direction G[eacute]n[eacute]rale de l'Aviation Civile (DGAC) (or its
delegated agent); or the European Aviation Safety Agency (EASA) (or
its delegated agent). One approved method of compliance is
incorporating Airbus A318/A319/A320/A321 Maintenance Planning
Document (MPD), sub-Section 9-1-2, ``Life Limited Parts,'' and sub-
Section 9-1-3, ``Demonstrated Fatigue Life Parts,'' both Revision
06, both dated June 13, 2003.
Note 2: Airbus Service Information Letter 32-098, dated December
22, 2003, may be used as a source of service information for
managing life limited and demonstrated fatigue life parts that were
not previously tracked.
(g) For all Model A319, A320, and A321 airplanes; except Model
A319 airplanes on which Airbus Modifications 28238, 28162, and 28342
were incorporated during production: Within 6 months after March 3,
2005, revise the ALS of the Instructions for Continued Airworthiness
in accordance with a method approved by the Manager, International
Branch, ANM-116; or the
[[Page 56265]]
DGAC (or its delegated agent); or the EASA (or its delegated agent).
One approved method of compliance is incorporating both Airbus A318/
A319/A320/A321 MPD, sub-Section 9-2, ``Airworthiness Limitation
Items,'' Revision 06, dated June 13, 2003; and Airbus A318/A319/
A320/A321 Airworthiness Limitation Items (ALIs), Document AI/SE-M4/
95A.0252/96, Issue 6, dated May 15, 2003 (approved by the DGAC on
July 15, 2003).
New Requirements of This AD
Revise ALS To Incorporate Safe Life ALIs
(h) For all airplanes: Within 3 months after the effective date
of this AD, revise the ALS of the Instructions for Continued
Airworthiness to incorporate Sub-part 1-2, ``Life Limits,'' and Sub-
part 1-3, ``Demonstrated Fatigue Lives,'' of Airbus A318/A319/A320/
A321 ALS Part 1--Safe Life Airworthiness Limitation Items, dated
February 28, 2006 (hereafter referred to as ``ALS Part 1'').
Accomplish the actions in ALS Part 1 at the times specified in ALS
Part 1, except as provided by paragraph (j) of this AD. For Model
A319, A320, and A321 airplanes, accomplishing the revision in this
paragraph terminates the requirements of paragraph (f) of this AD.
Revise ALS To Incorporate Damage-Tolerant ALIs
(i) For all airplanes, except Model A319 airplanes on which
Airbus Modifications 28238, 28162, and 28342 have been incorporated
in production: Within 14 days after the effective date of this AD,
revise the ALS of the Instructions for Continued Airworthiness to
incorporate Airbus A318/A319/A320/A321 Airworthiness Limitation
Items, Document AI/SE-M4/95A.0252/96, Issue 7, dated December 2005
(approved by the EASA on February 7, 2006) (hereafter referred to as
``Issue 7 of the ALI''); Issue 08, dated March 2006 (approved by the
EASA on January 4, 2007) (hereafter referred to as ``Issue 08 of the
ALI''); or Issue 09, dated November 2006 (approved by the EASA on
May 21, 2007) (hereafter referred to as ``Issue 09 of the ALI'').
Accomplish the actions in Issue 7, Issue 08, or Issue 09 of the ALI
at the times specified in Issue 7, Issue 08, or Issue 09 of the ALI,
as applicable, except as provided by paragraph (j) of this AD. For
Model A319, A320, and A321 airplanes, accomplishing the revision in
this paragraph terminates the requirements of paragraph (g) of this
AD.
Grace Period for New or More Restrictive Actions
(j) For any new or more restrictive life limit introduced with
ALS Part 1, replace the part at the time specified in ALS Part 1 or
within 6 months after the effective date of this AD, whichever is
later. For any new or more restrictive inspection introduced with
Issue 7, Issue 08, or Issue 09 of the ALI, do the inspection at the
time specified in Issue 7, Issue 08, or Issue 09 of the ALI, as
applicable, or within 6 months after the effective date of this AD,
whichever is later.
No Alternative Life Limits, Inspections, or Inspection Intervals
(k) After the actions specified in paragraphs (h) and (i) of
this AD have been accomplished, no alternative life limits,
inspections, or inspection intervals may be used, except as provided
by paragraphs (j) and (l) of this AD.
Alternative Methods of Compliance (AMOCs)
(l)(1) The Manager, International Branch, ANM-116, Transport
Airplane Directorate, FAA, has the authority to approve AMOCs for
this AD, if requested in accordance with the procedures found in 14
CFR 39.19.
(2) To request a different method of compliance or a different
compliance time for this AD, follow the procedures in 14 CFR 39.19.
Before using any approved AMOC on any airplane to which the AMOC
applies, notify your appropriate principal inspector (PI) in the FAA
Flight Standards District Office (FSDO), or lacking a PI, your local
FSDO.
Related Information
(m) EASA airworthiness directive 2006-0162, dated June 8, 2006;
and EASA airworthiness direction 2006-0165, dated June 13, 2006;
also address the subject of this AD.
Material Incorporated by Reference
(n) You must use the service information identified in Table 1
of this AD, as applicable, to perform the actions that are required
by this AD, unless the AD specifies otherwise.
Table 1.--Material Incorporated by Reference
------------------------------------------------------------------------
Revision/issue
Service information level Date
------------------------------------------------------------------------
Airbus A318/A319/A320/A321 Revision 00.... February 28, 2006.
ALS Part 1--Safe Life
Airworthiness Limitation
Items.
Airbus A318/A319/A320/A321 Issue 7........ December 2005.
Airworthiness Limitation
Items, Document AI/SE-M4/
95A.0252/96.
Airbus A318/A319/A320/A321 Issue 08....... March 2006.
Airworthiness Limitation
Items, Document AI/SE-M4/
95A.0252/96.
Airbus A318/A319/A320/A321 Issue 09....... November 2006.
Airworthiness Limitation
Items, Document AI/SE-M4/
95A.0252/96.
------------------------------------------------------------------------
(Issue 7 of Airbus A318/A319/A320/A321 Airworthiness Limitation
Items, Document AI/SE-M4/95A.0252/96, contains the following errors:
The Summary of Changes is comprised of 11 pages, which are all
identified as Page 2--LEP of Section LEP instead of Page 1--SOC
[through] Page 11--SOC of Section SOC; the List of Effective Pages
only refers to Page 1--SOC for the Summary of Changes. The List of
Effective Pages is comprised of two pages, and both of those pages
are identified as Page 2--LEP. The first page of Section 2 is
identified as Page 6 of Section 1 and is not referred to in the List
of Effective Pages. Issue 08 of Airbus A318/A319/A320/A321
Airworthiness Limitation Items, Document AI/SE-M4/95A.0252/96,
contains the following errors: Pages 3--ROR and 2--SOC are not
referred to in the List of Effective Pages. The List of Effective
Pages are identified as Pages 1--SOC and 2--SOC, instead of 1--LEP
and 2--LEP. The first page of Section 2 is identified as Page 6 of
Section 1 and is not referred to in the List of Effective Pages.)
The Director of the Federal Register approved the incorporation by
reference of these documents in accordance with 5 U.S.C. 552(a) and
1 CFR part 51. Contact Airbus, 1 Rond Point Maurice Bellonte, 31707
Blagnac Cedex, France, for a copy of this service information. You
may review copies at the FAA, Transport Airplane Directorate, 1601
Lind Avenue, SW., Renton, Washington; or 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:
https://www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued in Renton, Washington, on September 21, 2007.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. E7-19208 Filed 10-2-07; 8:45 am]
BILLING CODE 4910-13-P