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Federal Register / Vol. 86, No. 36 / Thursday, February 25, 2021 / Rules and Regulations
or by the means identified in the ADDRESSES section.

Interim Action
Costs of Compliance
The FAA considers this AD interim action. If final action is later identified, the FAA might consider further rulemaking then.

The FAA estimates that this AD
affects 52 helicopters of U.S. registry.
The FAA estimates the following costs to comply with this AD:

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Cost per product
Cost on U.S.
operators
Up to 7.5 work-hours $85 per hour = $637.50

$55

Up to $692.50

Up to $36,010

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.
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,
VerDate Sep<11>2014

16:18 Feb 24, 2021

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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:

20210306 Airbus Helicopters:
Amendment 3921409; Docket No.
FAA20201036; Project Identifier MCAI202001430R.
a Effective Date This airworthiness directive AD is effective April 1, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus Helicopters Model SA365N, SA365N1, AS365N2, AS
365 N3, EC 155B, and EC155B1 helicopters, certificated in any category, equipped with magnetic plugs, part number P/N 1B7807 or P/N 704A34543017 electrical, or P/N
365A32171100 non-electrical, as applicable, installed in the main gearbox MGB pump intake.
d Subject Joint Aircraft System Component JASC
Code 6320, Main Rotor Gearbox.
e Reason This AD was prompted by the FAAs determination that to improve the process and performance in collecting metal particles in MGB certain existing magnetic plugs electrical and non-electrical installed in the MGB pump intake must be replaced with improved non-electrical magnetic plugs. The FAA is issuing this AD to address metal particles causing seizure of the MGB, loss of power to the main rotor, and subsequent loss of control of the helicopter.
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, European Aviation Safety Agency now European Union Aviation Safety Agency EASA AD 20180176, dated August 21, 2018 EASA AD 20180176.
h Exceptions to EASA AD 20180176
1 Where EASA AD 20180176 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20180176 does not apply to this AD.
3 Although the service information referenced in EASA AD 20180176 specifies to discard certain parts, this AD does not include that requirement.
4 Where EASA AD 20180176 refers to flight hours FH, this AD requires using hours time-in-service.
i Special Flight Permit Special flight permits may be issued in accordance with 14 CFR 21.197 and 21.199
to operate the helicopter to a location where the helicopter can be modified if the operator elects to do so, provided the helicopter is operated using day visual flight rules and no passengers are onboard.
j 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.
k Related Information For more information about this AD, contact Mahmood Shah, Aviation Safety Engineer, Fort Worth ACO Branch, FAA, 10101 Hillwood Pkwy., Fort Worth, TX

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