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Federal Register / Vol. 86, No. 163 / Thursday, August 26, 2021 / Rules and Regulations 39.13

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

20211603 Airbus SAS: Amendment 39
21665; Docket No. FAA20210142;
Project Identifier MCAI202001400T.
a Effective Date This airworthiness directive AD is effective September 30, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus SAS Model A350941 and 1041 airplanes, certificated in any category, as identified in European Union Aviation Safety Agency EASA AD
20200220, dated October 13, 2020 EASA
AD 20200220.
d Subject Air Transport Association ATA of America Code 57, Wings.
e Reason This AD was prompted by in-production findings of missing or incorrect application of the lightning strike edge glow sealant protection at specific locations in the wing tanks. The FAA is issuing this AD to address missing or incorrectly applied sealant, which in combination with an undetected incorrect installation of an adjacent fastener and a lightning strike in the immediate area, could result in ignition of the fuel-air mixture inside the affected fuel tanks and loss of the airplane.
f Compliance Comply with this AD within the compliance times specified, unless already done.

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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, EASA AD 20200220.
h Exceptions to EASA AD 20200220
1 Where EASA AD 20200220 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20200220 does not apply to this AD.
3 Where paragraph 1 of EASA AD 2020
0220 gives a compliance time of the next scheduled maintenance tank entry, or before exceeding 6 years since Airbus date of manufacture, whichever occurs first after the effective date of this AD, for this AD, the compliance time is the later of the times specified in paragraphs h3i and ii of this AD.
i The next scheduled maintenance tank entry, or before exceeding 6 years since Airbus date of manufacture, whichever occurs first after the effective date of this AD.
ii Within 6 months after the effective date of this AD.
4 Where paragraph 2 of EASA AD 2020
0220 refers to discrepancies, for this AD, discrepancies include missing or incorrectly applied sealant.

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i 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 j 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: Except as required by paragraph i2 of this AD, if any service information contains procedures or tests that are identified as RC, those 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.
j Related Information For more information about this AD, contact Nick Wilson, Aerospace Engineer, Large Aircraft Section, International Validation Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313230; email nicholas.wilson@
faa.gov.
k 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 20200220, dated October 13, 2020.
ii Reserved 3 For EASA AD 20200220, contact EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999
000; email ADs@easa.europa.eu; internet
PO 00000

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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 Moines, WA. For information on the availability of this material at the FAA, call 2062313195. This material may be found in the AD docket on the internet at https
www.regulations.gov by searching for and locating Docket No. FAA20210142.
5 You may view this material that is incorporated by reference at the National Archives and Records Administration NARA. For information on the availability of this material at NARA, email fedreg.legal@
nara.gov, or go to: https www.archives.gov/
federal-register/cfr/ibr-locations.html.
Issued on July 21, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202118332 Filed 82521; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210717; Project Identifier AD202100814R; Amendment 3921707; AD 20211806
RIN 2120AA64

Airworthiness Directives; Airbus Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule; request for comments.
AGENCY:

The FAA is superseding Airworthiness Directive AD 202111
03, which applied to certain Airbus Helicopters Model EC 155B, EC155B1, SA365N, SA365N1, AS365N2, and AS 365 N3 helicopters. AD 20211103
required inspecting the main gearbox MGB fixed cowling front fitting MGB
front fitting, and depending on findings, corrective action. This AD
retains the requirements of AD 2021
1103, and includes service information that was omitted for Airbus Helicopter Model EC 155B and EC155B1
helicopters, as specified in a European Aviation Safety Agency now European Union Aviation Safety Agency EASA
AD, which is incorporated by reference.
The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD becomes effective September 10, 2021.
The Director of the Federal Register approved the incorporation by reference SUMMARY:

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