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Federal Register / Vol. 86, No. 46 / Thursday, March 11, 2021 / Rules and Regulations
13813

ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
Cost per product
Up to 10 work-hours $85 per hour = $850

Up to $20,000

$20,850

Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs 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 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 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 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.

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 removing Airworthiness Directive AD
20181901, Amendment 3919401 83
FR 46862, September 17, 2018, and adding the following new AD:

20210208 Airbus Helicopters:
Amendment 3921391; Docket No.
FAA20201018; Project Identifier MCAI202001383R.
a Effective Date This airworthiness directive AD is effective April 15, 2021.
b Affected ADs This AD replaces AD 20181901, Amendment 3919401 83 FR 46862, September 17, 2018 AD 20181901.
c Applicability This AD applies to Airbus Helicopters Model AS365N2, AS 365 N3, EC 155B, EC155B1, SA365N, SA365N1, and SA
366G1 helicopters, certificated in any category, all serial numbers.
d Subject Joint Aircraft System Component JASC
Code 5300, Fuselage Structure.
e Reason This AD was prompted by aft fuselage baggage compartment area outer skin disbonding and a determination that Model SA365N helicopters are also affected by the unsafe condition identified in AD 201819
01. The FAA is issuing this AD to address disbonding of the aft fuselage outer skin. This condition could result in loss of aft fuselage structural integrity and subsequent loss of control of the helicopter.

2 Where EASA AD 20190080 refers to September 19, 2017 the effective date of EASA AD 20170165, this AD requires using October 22, 2018 the effective date of AD
20181901.
3 For Airbus Helicopters Model SA
366G1 helicopters: Where EASA AD 2019
0080 refers to the instructions of the applicable ASB, use Airbus Helicopters Alert Service Bulletin ASB No. SA366
05.48, Revision 0, dated July 21, 2017; or Airbus Helicopters ASB No. SA36605.48, Revision 1, dated March 27, 2019.
4 Where EASA AD 20190080 refers to Group 1 helicopters, for this AD, Model SA
366G1 helicopters are considered Group 1
helicopters.
5 Paragraph 5 of EASA AD 20190080
specifies to contact AH Airbus Helicopters for approved skin panel repair or replacement instructions and accomplish those instructions accordingly. For this AD, for any repair or replacement of the panel done before the effective date of this AD, it is not required to contact Airbus Helicopters.
For any repair or replacement of the panel done on or after the effective date of this AD, the repair or replacement must be done using a method approved by the Manager, Strategic Policy Rotorcraft Section, FAA. For a repair or replacement method to be approved by the Manager, Strategic Policy Rotorcraft Section, FAA, as required by this paragraph, the Managers approval letter must specifically refer to this AD.
6 The Remarks section of EASA AD
20190080 does not apply to this AD.
7 Where EASA AD 20190080 refers to flight hours FH, this AD requires using hours time-in-service.

Adoption of the Amendment
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 20190080, dated April 3, 2019 EASA AD 20190080.

i Alternative Methods of Compliance AMOCs 1 The Manager, Strategic Policy Rotorcraft Section, 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 Strategic Policy Rotorcraft Section, send it to: Manager, Strategic Policy Rotorcraft Section, FAA, 10101 Hillwood Pkwy., Fort Worth, TX
76177; telephone 8172225110. Information may be emailed to: 9-ASW-FTW-AMOCRequests@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.

Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:

h Exceptions to EASA AD 20190080
1 Where EASA AD 20190080 refers to its effective date, this AD requires using the effective date of this AD.

j Related Information For more information about this AD, contact Kathleen Arrigotti, Aviation Safety Engineer, Large Aircraft Section,
List of Subjects in 14 CFR Part 39

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PART 39AIRWORTHINESS
DIRECTIVES

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

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

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