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Proposed Rule2021-24791

Airworthiness Directives; Airbus SAS Airplanes

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Published

November 17, 2021

Issuing agencies

Transportation DepartmentFederal Aviation Administration

Abstract

The FAA is revising a notice of proposed rulemaking (NPRM) to supersede Airworthiness Directive (AD) 2013-25-11; this NPRM would apply to all Airbus SAS Model A318-111, and -112 airplanes; Model A319- 111, -112, -113, -114, -115, -131, -132, and -133 airplanes; Model A320-211, -212, -214, -216, -231, -232, and -233 airplanes; and Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. This action revises the NPRM by establishing a different compliance time for the initial inspection on certain airplane configurations. The FAA is proposing this AD to address the unsafe condition on these products. Since these actions would impose an additional burden over those in the NPRM, the FAA is reopening the comment period to allow the public the chance to comment on these changes.

Full Text

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<title>Federal Register, Volume 86 Issue 219 (Wednesday, November 17, 2021)</title>
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[Federal Register Volume 86, Number 219 (Wednesday, November 17, 2021)]
[Proposed Rules]
[Pages 64092-64096]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2021-24791]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2021-0506; Project Identifier MCAI-2021-00200-T]
RIN 2120-AA64

Airworthiness Directives; Airbus SAS Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Supplemental notice of proposed rulemaking (SNPRM).

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SUMMARY: The FAA is revising a notice of proposed rulemaking (NPRM) to
supersede Airworthiness Directive (AD) 2013-25-11; this NPRM would
apply to all Airbus SAS Model A318-111, and -112 airplanes; Model A319-
111, -112, -113, -114, -115, -131, -132, and -133 airplanes; Model
A320-211, -212, -214, -216, -231, -232, and -233 airplanes; and Model
A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. This
action revises the NPRM by establishing a different compliance time for
the initial inspection on certain airplane configurations. The FAA is
proposing this AD to address the unsafe condition on these products.
Since these actions would impose an additional burden over those in the
NPRM, the FAA is reopening the comment period to allow the public the
chance to comment on these changes.

DATES: The FAA must receive comments on this SNPRM by January 3, 2022.

ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
<bullet> Federal eRulemaking Portal: Go to <a href="https://www.regulations.gov">https://www.regulations.gov</a>. Follow the instructions for submitting comments.
<bullet> Fax: 202-493-2251.
<bullet> Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room

[[Page 64093]]

W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.
<bullet> Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
For EASA service information identified in this SNPRM, contact
EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221
8999 000; email <a href="/cdn-cgi/l/email-protection#b7f6f3c4f7d2d6c4d699d2c2c5d8c7d699d2c2">[email&#160;protected]</a>; internet www.easa.europa.eu. You
may find this material on the EASA website at <a href="https://ad.easa.europa.eu">https://ad.easa.europa.eu</a>. For Airbus service information identified in this
SNPRM, contact Airbus SAS, Airworthiness Office--EIAS, Rond-Point Emile
Dewoitine No: 2, 31700 Blagnac Cedex, France; telephone +33 5 61 93 36
96; fax +33 5 61 93 44 51; email <a href="/cdn-cgi/l/email-protection#630200000c160d174d020a11140c11170b4e06021023020a110116104d000c0e">[email&#160;protected]</a>;
internet <a href="http://www.airbus.com">http://www.airbus.com</a>. You may view this referenced service
information at the FAA, Airworthiness Products Section, Operational
Safety Branch, 2200 South 216th St. Des Moines, WA. For information on
the availability of this material at the FAA, call 206-231-3195.

Examining the AD Docket

You may examine the AD docket on the internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by searching for and locating Docket No. FAA-2021-
0506; or in person at Docket Operations between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays. The AD docket contains
this SNPRM, any comments received, and other information. The street
address for Docket Operations is listed above.

FOR FURTHER INFORMATION CONTACT: Sanjay Ralhan, Aerospace Engineer,
Large Aircraft Section, International Validation Branch, FAA, 2200
South 216th St., Des Moines, WA 98198; telephone and fax 206-231-3223;
email <a href="/cdn-cgi/l/email-protection#a1d2c0cfcbc0d88fd3c0cdc9c0cfe1c7c0c08fc6ced7">[email&#160;protected]</a>.

SUPPLEMENTARY INFORMATION:

Comments Invited

The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under ADDRESSES. Include ``Docket No. FAA-2021-0506; Project Identifier
MCAI-2021-00200-T'' at the beginning of your comments. The most helpful
comments reference a specific portion of the proposal, explain the
reason for any recommended change, and include supporting data. The FAA
will consider all comments received by the closing date and may amend
the proposal because of those comments.
Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
<a href="https://www.regulations.gov">https://www.regulations.gov</a>, including any personal information you
provide. The agency will also post a report summarizing each
substantive verbal contact received about this proposed AD.

Confidential Business Information

CBI is commercial or financial information that is both customarily
and actually treated as private by its owner. Under the Freedom of
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public
disclosure. If your comments responsive to this SNPRM contain
commercial or financial information that is customarily treated as
private, that you actually treat as private, and that is relevant or
responsive to this SNPRM, it is important that you clearly designate
the submitted comments as CBI. Please mark each page of your submission
containing CBI as ``PROPIN.'' The FAA will treat such marked
submissions as confidential under the FOIA, and they will not be placed
in the public docket of this NPRM. Submissions containing CBI should be
sent to Sanjay Ralhan, Aerospace Engineer, Large Aircraft Section,
International Validation Branch, FAA, 2200 South 216th St., Des Moines,
WA 98198; telephone and fax 206-231-3223; email <a href="/cdn-cgi/l/email-protection#671406090d061e4915060b0f06092701060649000811">[email&#160;protected]</a>.
Any commentary that the FAA receives which is not specifically
designated as CBI will be placed in the public docket for this
rulemaking.

Background

The FAA issued AD 2013-25-11, Amendment 39-17707 (78 FR 78705,
December 27, 2013) (AD 2013-25-11). AD 2013-25-11 requires actions to
address an unsafe condition on all Airbus SAS Model A318-111, -112, -
121, and -122 airplanes; Model A319-111, -112, -113, -114, -115, -131,
-132, and -133 airplanes; Model A320-111, -211, -212, -214, -231, -232,
and -233 airplanes; and Model A321-111, -112, -131, -211, -212, -213, -
231, and -232 airplanes. AD 2013-25-11 requires repetitive inspections
of the 80VU rack lower lateral fittings, upper fittings, and shelves
for damage, repetitive inspections of the 80VU rack lower central
support for cracking, and corrective action if necessary. AD 2013-25-11
also specifies optional terminating action for the repetitive
inspections.
The FAA issued an NPRM to amend 14 CFR part 39 by adding an AD to
supersede AD 2013-25-11 that would apply to all Airbus SAS Model A318-
111, and -112, airplanes; Model A319-111, -112, -113, -114, -115, -131,
-132, and -133 airplanes; Model A320-211, -212, -214, -216. -231, -232,
and -233 airplanes; and Model A321-111, -112, -131, -211, -212, -213, -
231, and -232 airplanes. The NPRM published in the Federal Register on
June 22, 2021 (86 FR 32653) (the NPRM). The NPRM was prompted by
reports of damaged lower lateral fittings of the 80VU rack, and reports
of new damage on airplanes on which certain optional service
information had been accomplished. The NPRM proposed to expand the
applicability, remove the optional terminating action, and require new
repetitive inspections.

Actions Since the NPRM Was Issued

Since the FAA issued the NPRM, new damage occurrences have been
reported, and a different compliance time has been determined for
certain affected parts, depending on airplane configuration.
The European Union Aviation Safety Agency (EASA), which is the
Technical Agent for the Member States of the European Union, has issued
EASA AD 2021-0172, dated July 20, 2021 (EASA AD 2021-0172) (also
referred to after this as the Mandatory Continuing Airworthiness
Information, or the MCAI), to correct an unsafe condition for all
Airbus SAS Model A318-111, A318-112, A319-111, A319-112, A319-113,
A319-114, A319-115, A319-131, A319-132, A319-133, A320-211, A320-212,
A320-214, A320-215, A320-216, A320-231, A320-232, A320-233, A321-111,
A321-112, A321-131, A321-211, A321-212, A321-213, A321-231 and A321-232
airplanes. Model A320-215 airplanes are not certificated by the FAA and
are not included on the U.S. type certificate data sheet; this proposed
AD therefore does not include those airplanes in the applicability.
EASA AD 2021-0172 supersedes EASA AD 2021-0045, dated February 16, 2021
(EASA AD 2021-0045). The FAA NPRM corresponds to EASA AD 2021-0045. You
may examine the MCAI in the AD docket on the internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by searching for and locating Docket No. FAA-2021-
0506.
This proposed AD was prompted by reports of damaged lower lateral
fittings of the 80VU rack, and reports of new damage on airplanes on
which certain optional service information had been accomplished. The
FAA is proposing this AD to address damage or cracking of the 80VU
fittings and supports, which could lead to possible disconnection of
the cable harnesses to

[[Page 64094]]

one or more computers, and if occurring during a critical phase of
flight, could result in reduced control of the airplane. See the MCAI
for additional background information.

Related Service Information Under 1 CFR Part 51

EASA AD 2021-0172 describes procedures for repetitive special
detailed inspections of the 80VU rack lower lateral fittings, lower
central support, upper fittings, central post, and shelves attachments
for discrepancies (including broken fittings, missing bolts, an
electronics rack FIN 80VU that is in contact with structure, any bush
that has migrated, burred material, and cracks), and corrective action
if necessary. Corrective actions include modification, repair, and
replacement. EASA AD 2021-0172 also describes procedures for reporting
inspection results to Airbus.
The FAA has also reviewed Airbus Service Bulletin A320-25-1BKJ,
Revision 02, dated April 9, 2020. Airbus Service Bulletin A320-25-1BKJ,
Revision 02, dated April 9, 2020, describes inspections of the 80VU
rack lower lateral fittings, lower central support, upper fittings,
central post, and shelves attachments for discrepancies and corrective
action.
The FAA has also reviewed Airbus Technical Adaptation 80827186/024/
2020, Issue 1, dated September 18, 2020, which addresses discrepancies
found in Airbus Service Bulletin A320-25-1BKJ, Revision 02, dated April
9, 2020.
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.

Comments

The FAA gave the public the opportunity to participate in
developing this rule. The following presents the comments received on
the NPRM and the FAA's response to those comments. Air Line Pilots
Association (ALPA), International, supported the NPRM.

Request To Incorporate New EASA AD

American Airlines, Delta Air Lines, and United Airlines requested
that the FAA incorporate new information into this proposed AD, because
of the publication of EASA AD 2021-0172, which superseded EASA AD 2021-
0045.
The FAA agrees to incorporate the new information by issuing this
SNPRM and has revised this AD to refer to EASA AD 2021-0172 as the
appropriate source of service information to accomplish the required
actions.

Request To Allow Technical Adaptation (TA)

United Airlines requested that the FAA allow the use of TA
80827186/024/2020, Issue 1, dated September 18, 2020, to address
inspections and corrective actions done using Airbus Service Bulletin
A320-25-1BKJ, Revision 02, dated April 9, 2020. United Airlines stated
that Airbus has issued TA 80827186/024/2020, Issue 1, dated September
18, 2020, to address discrepancies in Airbus Service Bulletin A320-25-
1BKJ, Revision 02, dated April 9, 2020, which is specified in EASA AD
2021-0045.
The FAA agrees with the request for the reasons provided by the
commenter. The FAA has added paragraph (i) to the proposed AD to
specify that Airbus Service Bulletin A320-25-1BKJ, Revision 02, dated
April 9, 2020, with corrections referenced in the Airbus Technical
Adaptation 80827186/024/2020, Issue 1, dated September 18, 2020, is an
acceptable method of compliance for the inspections and corrective
actions specified in paragraphs (1), (2), and (3) of EASA AD 2021-0172.

Request To Use Drawing

United Airlines requested that the FAA allow the use of Airbus
Drawing (DWG) D53924082. United Airlines stated that in Airbus Service
Bulletin A320-25-1BKJ, Revision 02, dated April 9, 2020, Config. 004,
Figure ICN-A320-A-25XX1BKJ-A-FAPE3-00EOV-A-001-01, Sheet 2 of 2, detail
D shows a fitting installation with a four fasteners configuration.
United Airlines stated Airbus Drawing D53924082 indicates the fitting
installation must have six fasteners configuration. United Airlines
stated that Airbus confirmed it will update the service bulletin to
show the assembly with a six fastener configuration.
The FAA acknowledges the commenter's request and notes the
commenter did not submit the referenced drawing. However, the FAA has
determined the Accomplishment Instructions steps in Airbus Service
Bulletin A320-25-1BKJ, Revision 02, dated April 9, 2020, are correct
for most airplanes. United Airlines is one operator in Config. 004 and
it has a unique configuration. The FAA does not consider it appropriate
to include various provisions in an AD applicable only to an operator's
unique configuration of affected airplanes. If an operator with an
affected airplane cannot accomplish the required actions specified in
the service information, or prefers to use different service
information that is specific to their design, an alternative method of
compliance (AMOC) can be requested in accordance with the provisions
specified in paragraph (j)(1) of this proposed AD. The FAA has
confirmed with EASA that the solution for United Airlines'
configuration will be included in the next revision of the service
information expected to be published in the fourth quarter of 2021;
therefore, once published, based on incorporation of the Ref.
Publications: Section of EASA AD 2021-0172 in this proposed AD, United
Airlines may use that service information without the need for an AMOC.
The FAA has not changed this proposed AD in this regard.

FAA's Determination

This product has been approved by the aviation authority of another
country, and is approved for operation in the United States. Pursuant
to the FAA's bilateral agreement with the State of Design Authority,
the FAA has been notified of the unsafe condition described in the MCAI
and service information referenced above. The FAA is proposing this AD
because the FAA evaluated all pertinent information and determined an
unsafe condition exists and is likely to exist or develop on other
products of the same type design.
Certain changes described above expand the scope of the NPRM. As a
result, the FAA has determined that it is necessary to reopen the
comment period to provide additional opportunity for the public to
comment on this SNPRM.

Proposed Requirements of This SNPRM

This proposed AD requires accomplishing the actions specified in
the service information described previously, except for any
differences identified as exceptions in the regulatory text of this
proposed AD.

Costs of Compliance

The FAA estimates that this proposed AD affects 1,528 airplanes of
U.S. registry. The FAA estimates the following costs to comply with
this proposed AD:

[[Page 64095]]

Estimated Costs for Required Actions *
--------------------------------------------------------------------------------------------------------------------------------------------------------
Action Labor cost Parts cost Cost per product Cost on U.S. operators
--------------------------------------------------------------------------------------------------------------------------------------------------------
New proposed actions.................. Up to 8 work-hours x $85 per $0 Up to $680.............. Up to $1,039,040.
hour = Up to $680.
--------------------------------------------------------------------------------------------------------------------------------------------------------
* Table does not include estimated costs for reporting.

The FAA estimates that it would take about 1 work-hour per product
to comply with the proposed reporting requirement in this proposed AD.
The average labor rate is $85 per hour. Based on these figures, the FAA
estimates the cost of reporting the inspection results on U.S.
operators to be $129,880, or $85 per product.
The FAA estimates the following costs to do any necessary on-
condition actions that would be required based on the results of any
required actions. The FAA has no way of determining the number of
aircraft that might need these on-condition actions:

Estimated Costs of On-Condition Actions
----------------------------------------------------------------------------------------------------------------
Action Labor cost Parts cost Cost per product
----------------------------------------------------------------------------------------------------------------
Repair........................... 122 work-hours x $85 per $4,150.............. $14,520.
hour = $10,370.
Replacement...................... Up to 189 work-hours x Up to $6,928........ Up to $22,993.
$85 per hour = Up to
$16,065.
Modification..................... 189 work-hours x $85 per $7,407.............. $23,472.
hour = $16,065.
----------------------------------------------------------------------------------------------------------------

According to the manufacturer, some or all of the costs of this
proposed AD may be covered under warranty, thereby reducing the cost
impact on affected operators. The FAA does not control warranty
coverage for affected operators. As a result, the FAA has included all
known costs in the cost estimate.

Paperwork Reduction Act

A federal agency may not conduct or sponsor, and a person is not
required to respond to, nor shall a person be subject to penalty for
failure to comply with a collection of information subject to the
requirements of the Paperwork Reduction Act unless that collection of
information displays a current valid OMB control number. The control
number for the collection of information required by this proposed AD
is 2120-0056. The paperwork cost associated with this proposed AD has
been detailed in the Costs of Compliance section of this document and
includes time for reviewing instructions, as well as completing and
reviewing the collection of information. Therefore, all reporting
associated with this proposed AD is mandatory. Comments concerning the
accuracy of this burden and suggestions for reducing the burden should
be directed to Information Collection Clearance Officer, Federal
Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177-
1524.

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.
The FAA is 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

The FAA determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national Government and the States, or on the distribution
of power and responsibilities among the various levels of government.
For the reasons discussed above, I certify this proposed
regulation:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, 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.

List of Subjects in 14 CFR Part 39

Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

The Proposed Amendment

Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 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:
0
a. Removing Airworthiness Directive (AD) 2013-25-11, Amendment 39-17707
(78 FR 78705, December 27, 2013), and
0
b. Adding the following new AD:

Airbus SAS: Docket No. FAA-2021-0506; Project Identifier MCAI-2021-
00200-T.

(a) Comments Due Date

The FAA must receive comments on this airworthiness directive
(AD) by January 3, 2022.

(b) Affected ADs

This AD replaces AD 2013-25-11, Amendment 39-17707 (78 FR 78705,
December 27, 2013) (AD 2013-25-11).

This AD applies to all Airbus SAS airplanes, certificated in any
category, identified in paragraphs (c)(1) through (4) of this AD.
(1) Model A318-111 and -112 airplanes.
(2) Model A319-111, -112, -113, -114, -115, -131, -132, and -133
airplanes.

[[Page 64096]]

(3) Model A320-211, -212, -214, -216, -231, -232, and -233
airplanes.
(4) Model A321-111, -112, -131, -211, -212, -213, -231, and -232
airplanes.

(d) Subject

Air Transport Association (ATA) of America Code 25, Equipment/
furnishings.

(e) Reason

This AD was prompted by reports of damaged lower lateral
fittings of the 80VU rack, and reports of new damage on airplanes on
which certain optional service information had been accomplished.
The FAA is issuing this AD to address damage or cracking of the 80VU
fittings and supports, which could lead to possible disconnection of
the cable harnesses to one or more computers, and if occurring
during a critical phase of flight, could result in reduced control
of the airplane.

(f) Compliance

Comply with this AD within the compliance times specified,
unless already done.

(g) Requirements

Except as specified in paragraph (h) of this AD: Comply with all
required actions and compliance times specified in, and in
accordance with, European Union Aviation Safety Agency (EASA) AD
2021-0172, dated July 20, 2021 (EASA AD 2021-0172).

(h) Exceptions to EASA AD 2021-0172

(1) Where EASA AD 2021-0172 refers to its effective date, this
AD requires using the effective date of this AD.
(2) The remarks section of EASA AD 2021-0172 does not apply to
this AD.
(3) Where paragraph (3) of EASA AD 2021-0172 specifies ``any
discrepancy,'' for this AD ``any discrepancy'' includes broken
fittings, missing bolts, an electronics rack FIN 80VU that is in
contact with structure, any bush that has migrated, burred material,
and cracks.

(i) Method of Compliance for Paragraphs (1), (2), and (3) of EASA AD
2021-0172

Accomplishing inspections and correctives actions in accordance
with the Accomplishment Instruction of Airbus Service Bulletin A320-
25-1BKJ, Revision 02, dated April 9, 2020, with corrections
referenced in the Airbus Technical Adaptation 80827186/024/2020,
Issue 1, dated September 18, 2020, is an acceptable method of
compliance for the inspections and corrective actions specified in
paragraphs (1), (2), and (3) of EASA AD 2021-0172.

(j) Other FAA AD Provisions

The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
Large Aircraft Section, International Validation Branch, 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 responsible Flight
Standards Office, as appropriate. If sending information directly to
the Large Aircraft Section, International Validation Branch, send it
to the attention of the person identified in paragraph (k)(2) of
this AD. Information may be emailed to: <a href="/cdn-cgi/l/email-protection#c0f9ed819693ed818992edf7f3f0ed818d8f8380a6a1a1eea7afb6">[email&#160;protected]</a>.
(i) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the responsible Flight Standards Office.
(ii) AMOCs approved previously for AD 2013-25-11 are approved as
AMOCs for the corresponding provisions of EASA AD 2021-0172 that are
required by paragraph (g) of this AD.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain instructions from a manufacturer, the instructions must be
accomplished using a method approved by the Manager, Large Aircraft
Section, International Validation Branch, FAA; or EASA; or Airbus
SAS's EASA Design Organization Approval (DOA). If approved by the
DOA, the approval must include the DOA-authorized signature.
(3) Required for Compliance (RC): For any service information
referenced in EASA AD 2021-0172 that contains RC procedures and
tests: Except as required by paragraph (j)(2) of this AD, RC
procedures and tests must be done to comply with this AD; any
procedures or tests that are not identified as RC are recommended.
Those procedures and tests that are not identified as RC may be
deviated from using accepted methods in accordance with the
operator's maintenance or inspection program without obtaining
approval of an AMOC, provided the procedures and tests identified as
RC can be done and the airplane can be put back in an airworthy
condition. Any substitutions or changes to procedures or tests
identified as RC require approval of an AMOC.

(k) Related Information

(1) For information about EASA AD 2021-0172, contact EASA,
Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221
8999 000; email <a href="/cdn-cgi/l/email-protection#89c8cdfac9ece8fae8a7ecfcfbe6f9e8a7ecfc">[email&#160;protected]</a>; internet www.easa.europa.eu. You
may find this EASA AD on the EASA website at <a href="https://ad.easa.europa.eu">https://ad.easa.europa.eu</a>. For Airbus service information, contact Airbus
SAS, Airworthiness Office--EIAS, Rond-Point Emile Dewoitine No: 2,
31700 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax +33 5
61 93 44 51; email <a href="/cdn-cgi/l/email-protection#93f2f0f0fce6fde7bdf2fae1e4fce1e7fbbef6f2e0d3f2fae1f1e6e0bdf0fcfe">[email&#160;protected]</a>; internet <a href="http://www.airbus.com">http://www.airbus.com</a>. You may view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch, 2200 South 216th St.
Des Moines, WA. For information on the availability of this material
at the FAA, call 206-231-3195. The EASA material may be found in the
AD docket on the internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by
searching for and locating Docket No. FAA-2021-0506.
(2) For more information about this AD, contact Sanjay Ralhan,
Aerospace Engineer, Large Aircraft Section, International Validation
Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone
and fax 206-231-3223; email <a href="/cdn-cgi/l/email-protection#a5d6c4cbcfc4dc8bd7c4c9cdc4cbe5c3c4c48bc2cad3">[email&#160;protected]</a>.

Issued on November 8, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2021-24791 Filed 11-16-21; 8:45 am]
BILLING CODE 4910-13-P

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Indexed from Federal Register on November 17, 2021.

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