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Federal Register / Vol. 86, No. 103 / Tuesday, June 1, 2021 / Proposed Rules ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
Cost per product
10 work-hours $85 per hour = $850

$4,400

$5,250

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 The FAA determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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 this proposed regulation:
1 Is not a significant regulatory action under Executive Order 12866, 2 Would not affect intrastate aviation in Alaska, and 3 Would not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

jbell on DSKJLSW7X2PROD with PROPOSALS

Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

17:16 May 28, 2021

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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:

Airbus Helicopters Deutschland GmbH:
Docket No. FAA20210380.; Project Identifier MCAI202001683R.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by July 16, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3
helicopters, certificated in any category, with any of the tail rotor blade TRB part numbers specified in paragraphs c1 through 5 of this AD installed.
1 Part number P/N L642A2002101.
2 P/N L642A2002103.
3 P/N L642A2002104.
4 P/N L642A2002111.
5 P/N L642A2002112.
d Subject Joint Aircraft System Component JASC
Code 6410, Tail Rotor Blades.
e Unsafe Condition This AD was prompted by a report that during an investigation related to an accident on an Airbus Helicopters Model EC130B
helicopter, geometrical non-conformities were observed in the TRB root section. The FAA is issuing this AD to address geometrical non-conformities in the TRB root section, which could lead to crack initiation and consequent blade failure, resulting in loss of control of the helicopter.
f Compliance
List of Subjects in 14 CFR Part 39

VerDate Sep<11>2014

PART 39AIRWORTHINESS
DIRECTIVES

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 20200282, dated December 17, 2020 EASA AD 20200282.

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h Exceptions to EASA AD 20200282
1 Where EASA AD 20200282 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20200282 does not apply to this AD.
3 Where the service information referred to in EASA AD 20200282 specifies to discard a certain part, this AD requires removing that parts from service.
4 Where EASA AD 20200282 refers to flight hours FH, this AD requires using hours time-in-service.
5 Where the service information referred to in EASA AD 20200282 specifies to measure using the Smartphone application or the PowerPoint method, those methods of measurement are not required by this AD.
6 Where the service information referred to in EASA AD 20200282 specifies to contact Airbus Helicopters if the measurement results cannot be confirmed, this AD requires determining the specified measurements but does not require contacting Airbus Helicopters for confirmation.
i No Reporting Requirement Although the service information referred to in EASA AD 20200282 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
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 k2 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 1 For EASA AD 20200282, 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. You may view this material at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N321, Fort Worth, TX 76177.
For information on the availability of this material at the FAA, call 8172225110. This
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