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Federal Register / Vol. 86, No. 179 / Monday, September 20, 2021 / Proposed Rules
52109

Table 1 to paragraph g - Applicable MSBs
For-

Use-

Arrius 2B 1 engines with EECUs that have incorporated Modification TU 19C

TurbomecaMSB No. 319 73 2080, Update No. 1, dated February 13, 2004

Arrius 2B 1 engines with EECUs that have incorporated Modification TU 67C
orTU23C

TurbomecaMSB No. 319 73 2081, Update No. 1, dated February 13, 2004

Arrius 2B IA and 2B lAl _ 1 engines
TurbomecaMSB No. 319 73 2082, Update No. 1, dated February 13, 2004, Version C, dated July 31, 2008, or Version D, dated June 6, 2011

Arrius 2B2 engines
Turbomeca MSB No. 319 73 2090, Original Issue, dated February 13, 2004

After the effective date of this AD, do not install onto any engine any EECU having a P/N identified in paragraph c of this AD.
i Definition For the purpose of this AD, a part eligible for installation is an EECU having a P/N that is not identified in paragraph c of this AD.
j No Reporting Requirements The reporting requirements specified in Turbomeca MSB No. 319 73 2080, Update No. 1, dated February 13, 2004; Turbomeca MSB No. 319 73 2081, Update No. 1, dated February 13, 2004; Turbomeca MSB No. 319
73 2082, Update No. 1, dated February 13, 2004, Version C, dated July 31, 2008, and Version D, dated June 6, 2011; and Turbomeca MSB No. 319 73 2090, Original Issue, dated February 13, 2004, are not required by this AD.
k Alternative Methods of Compliance AMOCs
2387134; fax: 781 2387199; email:
wego.wang@faa.gov.
2 Refer to European Union Aviation Safety Agency EASA AD 20210088R1, dated July 26, 2021, for more information.
You may examine the EASA AD in the AD
docket at https www.regulations.gov by searching for and locating it in Docket No.
FAA20210793.
3 For service information identified in this AD, contact Safran Helicopter Engines, S.A., Avenue du 1er Mai, 40220 Tarnos, France; phone: +33 0 5 59 74 45 00. You may view this referenced service information at the 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 781 2387759.
Issued on September 14, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202120230 Filed 91721; 8:45 am
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 l1 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.

BILLING CODE 491013P

l Related Information
AGENCY:

1 For more information about this AD, contact Wego Wang, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781

VerDate Sep<11>2014

17:08 Sep 17, 2021

Jkt 253001

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210783; Project Identifier 2019SW009AD
RIN 2120AA64

Airworthiness Directives; Bell Textron Canada Limited Type Certificate Previously Held by Bell Helicopter Textron Canada Limited Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.

PO 00000

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The FAA proposes to adopt a new airworthiness directive AD for certain Bell Textron Canada Limited type certificate previously held by Bell Helicopter Textron Canada Limited Model 505 helicopters. This proposed AD was prompted by the determination that reducing the pressure altitude limitations for certain fuel types is necessary. This proposed AD would require revising the existing Rotorcraft Flight Manal RFM for your helicopter.
The FAA is proposing this AD to address the unsafe condition on these products.
DATES: The FAA must receive comments on this proposed AD by November 4, 2021.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https www.regulations.gov. Follow the instructions for submitting comments.
Fax: 202 4932251.
Mail: U.S. Department of Transportation, Docket Operations, M
30, West Building Ground Floor, Room W12140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Hand Delivery: Deliver to Mail address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.
For service information identified in this NPRM, contact Bell Textron Canada Limited, 12,800 Rue de lAvenir, Mirabel, Quebec J7J 1R4, Canada;
telephone 14504372862 or 1800
3638023; fax 14504330272; email productsupport@bellflight.com; or at https www.bellflight.com/support/
contact-support. You may view this SUMMARY:

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h Installation Prohibition