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Federal Register / Vol. 86, No. 221 / Friday, November 19, 2021 / Rules and Regulations E4A50000BHY, with an S/N listed in paragraph 1.2., Engines Affected, of the MSB.
j Definitions For the purpose of this AD:
1 Group 1 engines are E4 model diesel piston engines in configuration -A that are installed on single-engine airplanes.
2 Group 2 engines are E4 model diesel piston engines in configuration -B or -C
and E4P model diesel piston engines that are installed on twin-engine airplanes.
3 A part eligible for installation is an oil pump with a P/N and S/N that is not listed in paragraph 1.2., Engines Affected, of the MSB.
k Credit for Previous Actions You may take credit for replacing the oil pump, oil filter, and engine oil required by paragraph g of this AD if you performed these replacements before the effective date of this AD using the Accomplishment/
Instructions, paragraph 2.2., of Austro Engine GmbH MSB No. MSBE4030, Original Issue, dated February 18, 2021; Revision No. 1, dated February 23, 2021; Revision No. 2, dated March 3, 2021; or Revision No. 3, dated March 18, 2021.

Issued on November 15, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.

l Alternative Methods of Compliance AMOCs 1 The Manager, ECO 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 certification office, send it to the attention of the person identified in paragraph m of this AD.
Information may be emailed to: ANE-ADAMOC@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.

14 CFR Part 39

m Related Information For more information about this AD, contact Wego Wang, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781
2387134; fax: 781 2387199; email:
wego.wang@faa.gov.

khammond on DSKJM1Z7X2PROD with RULES

Neustadt, Austria; phone: +43 2622 23000;
website: www.austroengine.at.
5 You may view this service information at FAA, Airworthiness Products Section, Operational Safety Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 817 2225110.
6 You may view this service information that is incorporated by reference at the National Archives and Records Administration NARA. For information on the availability of this material at NARA, email: fr.inspection@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.

n 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 the AD specifies otherwise.
3 The following service information was approved for IBR on May 10, 2021 86 FR
21637, April 23, 2021.
i Austro Engine GmbH Mandatory Service Bulletin No. MSBE4030/4, Revision No. 4, dated March 30, 2021.
ii Reserved 4 For service information identified in this AD, contact Austro Engine GmbH, Rudolf-Diesel-Strasse 11, 2700 Weiner
VerDate Sep<11>2014

21:40 Nov 18, 2021

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FR Doc. 202125259 Filed 111821; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
Docket No. FAA20210695; Project Identifier MCAI202100096R; Amendment 3921783; AD 20212210
RIN 2120AA64

Airworthiness Directives; Leonardo S.p.a. Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

SUMMARY: The FAA is adopting a new airworthiness directive AD for certain Leonardo S.p.a. Model A109E
helicopters. This AD was prompted by reports that certain tail rotor gearbox assemblies were installed on Model A109E helicopters and those parts are not approved for installation on that helicopter model. Because those assemblies are not part of the type design for Model A109E helicopters, there are no overhaul or life limits included in the applicable maintenance manuals. This AD requires replacement of each affected tail rotor gearbox assembly with a serviceable part, as specified in a 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 is effective December 27, 2021.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD
as of December 27, 2021.
ADDRESSES: For material incorporated by reference IBR in this AD, contact
PO 00000

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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 material 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 6N 321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call 817 222
5110. It is also available in the AD
docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210695.
Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210695; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the EASA AD, any comments received, and other information. The address for Docket Operations is U.S.
Department of Transportation, Docket Operations, M30, West Building Ground Floor, Room W12140, 1200
New Jersey Avenue SE, Washington, DC
20590.
FOR FURTHER INFORMATION 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.
SUPPLEMENTARY INFORMATION:
Background EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD 20210031, dated January 22, 2021 EASA AD
20210031 also referred to as the Mandatory Continuing Airworthiness Information, or the MCAI, to correct an unsafe condition for Leonardo S.p.A., formerly Finmeccanica S.p.A., AgustaWestland S.p.A., and Agusta S.p.A., Model A109E helicopters, all serial numbers up to 11160 inclusive.
The FAA issued a notice of proposed rulemaking NPRM to amend 14 CFR
part 39 by adding an AD that would apply to certain Leonardo S.p.a. Model A109E helicopters. The NPRM
published in the Federal Register on August 25, 2021 86 FR 47427. The NPRM was prompted by reports that certain tail rotor gearbox assemblies were installed on Model A109E
helicopters and those parts are not approved for installation on that
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