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Federal Register / Vol. 86, No. 163 / Thursday, August 26, 2021 / Rules and Regulations
power and responsibilities among the various levels of government.
For the reasons discussed above, I
certify this regulation:
1 Is not a significant regulatory action under Executive Order 12866, and 2 Will not affect intrastate aviation in Alaska.

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

List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

h Exceptions to EASA AD 20190008
1 Where EASA AD 20190008 refers to April 14, 2017 the effective date of EASA
AD 20170055, dated March 31, 2017, this AD requires using the effective date of this AD.
2 Where EASA AD 20190008 refers to its effective date, this AD requires using the effective date of this AD.
3 Where EASA AD 20190008 refers to flight hours FH, this AD requires using hours time-in-service.
4 Where EASA AD 20190008 requires the modification within 660 flight hours or 23 months, whichever occurs first, this AD
requires the modification within 660 hours time-in-service instead.
5 Although the service information referenced in EASA AD 20190008 specifies to discard certain parts, this AD requires removing those parts from service instead.
6 Where the service information referenced in EASA AD 20190008 specifies to use tooling, equivalent tooling may be used.
7 The Remarks section of EASA AD
20190008 does not apply to this AD.
8 Where paragraph 1 of EASA AD 2019
0008 states to, inspect the MGB fixed cowling front fittings in accordance with the instructions of paragraph 1.E.2 of the applicable inspection ASB or in accordance with the instructions of the applicable modification ASB, this AD requires:
i For Model SA365N, SA365N1, AS
365N2, and AS 365 N3 helicopters:
determining if Airbus Helicopters Alert Service Bulletin No. 53.00.55, Revision 0, dated March 13, 2017, or Revision 1, dated December 20, 2018, has or has not been complied with and following the instructions, For helicopters on which ALERT SERVICE BULLETIN No. 53.00.55
has not been complied with or For helicopters on which ALERT SERVICE
BULLETIN No. 53.00.55 has been complied with, as applicable, in paragraph 1.E.2, of Airbus Helicopters Alert Service Bulletin No.
AS36553.00.62 Revision 0, dated December 20, 2018 ASB AS36553.00.62.
ii For Model EC 155B and EC155B1
helicopters: determining if Airbus Helicopters Alert Service Bulletin No.
53A035, Revision 0, dated March 13, 2017, or Revision 1, dated December 20, 2018, has or has not been complied with and following the instructions, For helicopters on which ALERT SERVICE BULLETIN No. 53A035 has not been complied with or For helicopters on which ALERT SERVICE BULLETIN No.
53A035 has been complied with, as applicable, in paragraph 1.E.2, of Airbus Helicopters Alert Service Bulletin No.
EC15553A038, Revision 0, dated December 20, 2018 ASB EC15553A038.

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:
a. Removing Airworthiness Directive 20211103, Amendment 3921565 86
FR 30759, June 10, 2021; and b. Adding the following new airworthiness directive:

20211806 Airbus Helicopters:
Amendment 3921707; Docket No.
FAA20210717; Project Identifier AD
202100814R.
a Effective Date This airworthiness directive AD becomes effective September 10, 2021.
b Affected ADs This AD replaces AD 20211103, Amendment 3921565 86 FR 30759, June 10, 2021 AD 20211103.
c Applicability This AD applies to Airbus Helicopters Model EC 155B, EC155B1, SA365N, SA
365N1, AS365N2, and AS 365 N3
helicopters, certificated in any category, as identified in European Aviation Safety Agency now European Union Aviation Safety Agency EASA AD 20190008, dated January 22, 2019 EASA AD 20190008.

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d Subject Joint Aircraft System Component JASC
Code: 7110, Engine Cowling System.
e Unsafe Condition This AD was prompted by a report of an in-flight loss of main gearbox MGB and engine cowlings. The FAA is issuing this AD
to address a failure of the MGB fixed cowling front fitting, and subsequent MGB cowling or engine cowling detachment, which could result in damage to the helicopter, loss of helicopter control, and possible injury to persons on the ground.

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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 20190008.

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9 Where paragraph 2 of EASA AD 2019
0008 states to, accomplish the applicable corrective actions in accordance with paragraph 1.E.2 of the applicable inspection ASB or in accordance with the instructions of the applicable modification ASB, this AD
requires accomplishing the applicable corrective actions by following ASB AS365
53.00.62 or ASB EC15553A038, as applicable to your model helicopter.
10 Where paragraph 3.B.2.e.3 of the applicable modification ASB referenced in EASA AD 20190008 refers to paragraph 3.B.e.3, this AD requires referring to paragraph 3.B.3 of ASB AS36553.00.62 or ASB EC15553A038, as applicable to your model helicopter.
i Special Flight Permit Special flight permits, as described in 14
CFR 21.197 and 21.199, are not allowed.
j Alternative Methods of Compliance AMOCs 1 The Manager, 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 local Flight Standards District Office, as appropriate. If sending information directly to the manager of the 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.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/
certificate holding district office.
k Related Information For more information about this AD, contact Andrea Jimenez, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, Compliance &
Airworthiness Division, FAA, 1600 Stewart Ave., Suite 410, Westbury, NY 11590;
telephone 516 2287330; email andrea.jimenez@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.
3 The following service information was approved for IBR on July 15, 2021 86 FR
30759, June 10, 2021.
i European Aviation Safety Agency EASA AD 20190008, dated January 22, 2019.
ii Airbus Helicopters Alert Service Bulletin ASB No. AS36553.00.62, Revision 0, dated December 20, 2018.
iii Airbus Helicopters Alert Service Bulletin ASB No. EC15553A038, Revision 0, dated December 20, 2018.
3 For EASA AD 20190008, contact the EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999

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