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Federal Register / Vol. 86, No. 23 / Friday, February 5, 2021 / Rules and Regulations detail the scope of the Agencys 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 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, and 2 Will not affect intrastate aviation in Alaska.
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 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

Authority: 49 U.S.C. 106g, 40113, 44701.
39.13

Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive:

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20210305 Airbus SAS: Amendment 39
21408; Docket No. FAA20210015;
Project Identifier MCAI202100014T.
a Effective Date This airworthiness directive AD becomes effective February 22, 2021.
b Affected ADs None.

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16:06 Feb 04, 2021

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c Applicability This AD applies to all Airbus SAS
airplanes, certificated in any category, as identified in paragraphs c1 through 4 of this AD.
1 Model A318111, 112, 121, and 122
airplanes.
2 Model A319111, 112, 113, 114, 115, 131, 132, 133, 151N, 153N, and 171N airplanes.
3 Model A320211, 212, 214, 216, 231, 232, 233, 251N, 252N, 253N, 271N, 272N and 273N airplanes.
4 Model A321111, 112, 131, 211, 212, 213, 231, 232, 251N, 252N, 253N, 271N, 272N, 251NX, 252NX, 253NX, 271NX, and 272NX airplanes.
d Subject Air Transport Association ATA of America Code 55, Stabilizers.
e Reason This AD was prompted by a report that following accomplishment of tap tests on rudders that were modified using the procedures in certain previously issued service information, disbonding of the rudder was found close to the lightning protection plate. Investigation results determined that those procedures may lead to inadequate curing of the affected part after modification.
The FAA is issuing this AD to address disbonding of the rudder, which could result in reduced structural integrity of the rudder, and consequent reduced controllability 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 20210002, dated January 6, 2021 EASA AD 20210002.
h Exceptions to EASA AD 20210002
1 Where EASA AD 20210002 refers to its effective date, this AD requires using the effective date of this AD.
2 Where EASA AD 20210002 specifies to comply with the instructions of the AOT, this AD requires using the words the procedures marked as required for compliance RC in the AOT.
3 The Remarks section of EASA AD
20210002 does not apply to this AD.
i No Reporting Requirement Although the service information referenced in EASA AD 20210002 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
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
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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 of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.
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 SASs 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
20190316 that contains RC procedures and tests: Except as required by paragraph j2
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 operators 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 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 2062313223; email Sanjay.Ralhan@
faa.gov.
l 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. 552a 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 European Union Aviation Safety Agency EASA AD 20210002, dated January 6, 2021.
ii Reserved 3 For EASA AD 20210002, contact the EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999
000; email ADs@easa.europa.eu; internet www.easa.europa.eu. You may find this EASA AD on the EASA website at https
ad.easa.europa.eu.
4 You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des
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