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Federal Register / Vol. 86, No. 110 / Thursday, June 10, 2021 / Rules and Regulations
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.
The Amendment Accordingly, under the authority delegated to me by the Administrator, 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:

20211113 Bell Textron Canada Limited:
Amendment 3921575; Docket No.
FAA20201170; Project Identifier MCAI202000720R.
a Applicability This airworthiness directive AD applies to Bell Textron Canada Limited Bell Model 429 helicopters, certificated in any category, with a Bell Emergency Flotation System EFS kit part number P/N 429706069
101/103/105/121/123/125/139/141/
143/or 157 manufactured before July 2019, with a float supply hose manufactured before January 2014, installed, except for float supply hoses marked with SB 0256921
above the external identification marking.
b Unsafe Condition This AD defines the unsafe condition as a blocked float supply hose installed on an EFS. This condition could result in partial inflation of an EFS float during an emergency landing on water and subsequently preventing a timely egress from the helicopter.
c Effective Date This AD is effective July 15, 2021.

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d Compliance You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time.
e Required Actions 1 Within 100 hours time-in-service TIS:
i Remove each EFS supply hose from the float and inspect each end of the EFS supply hose by inserting a plastic cable tie, 300 mm minimum 5 mm maximum 11.811 in.
minimum .196 in. maximum, into the holes of the related fitting as shown in Figure 1 of Safran Aerosystems Services Service Bulletin No. 0256921, Revision 00, dated March 23, 2020 SB 0256921.
Note 1 to paragraph e1i: Each end of the supply hose may also be referred to as fitting or banjo.

VerDate Sep<11>2014

15:59 Jun 09, 2021

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ii If the cable tie does not pass through the hose, before further flight, remove the EFS supply hose from service and replace it with an airworthy part.
iii If the cable tie passes through the supply hose, mark a green dot with indelible ink on the base of the supply hose and write SB 0256921 above the external identification marking of the EFS with indelible ink.
2 As of the effective date of this AD, do not install an EFS supply hose manufactured before January 2014 on any helicopter unless the requirements in paragraph e1 of this AD have been completed.
f 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 g1 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.
g Related Information 1 For more information about this AD, contact Matt Fuller, AD Program Manager, Operational Safety Branch, Airworthiness Products Section, General Aviation &
Rotorcraft Unit, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817222
5110; email matthew.fuller@faa.gov.
2 The subject of this AD is addressed in Transport Canada AD CF2020212R1, dated August 19, 2020. You may view the Transport Canada AD on the internet at https www.regulations.gov in Docket No.
FAA20201170.
h Material Incorporated by Reference 1 The Director of the Federal Register approved the incorporation by reference 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.
i Safran Aerosystems Services Service Bulletin No. 0256921, Revision 00, dated March 23, 2020 SB 0256921.
Note 2 to paragraph h2i: SB 02569
21 is attached to Bell Alert Service Bulletin No. 4292052, dated March 30, 2020, which is not incorporated by reference in this AD.
ii Reserved 3 As the design approval holder for the product identified in paragraph a of this AD, contact Bell Textron Canada Limited for the Safran Aerosystems Services service information identified in this AD, at Bell Textron Canada Limited, 12,800 Rue de lAvenir, Mirabel, Quebec J7J1R4; telephone 4504372862 or 8003638023; fax 450

PO 00000

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4330272; or at https
www.bellcustomer.com.
4 You may view this service information 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 817 2225110.
5 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: fedreg.legal@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.
Issued on May 18, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202112042 Filed 6921; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210187; Project Identifier AD202001664E; Amendment 3921583; AD 20211121
RIN 2120AA64

Airworthiness Directives; CFM
International, S.A. Turbofan Engines Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is adopting a new airworthiness directive AD for certain CFM International, S.A. CFM LEAP
1A model turbofan engines. This AD
was prompted by a report of a manufacturing quality escape found during an inspection of a high-pressure turbine HPT case. This AD requires the removal from service of the affected HPT case. The FAA is issuing this AD
to address the unsafe condition on these products.
DATES: This AD is effective July 15, 2021.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD
as of July 15, 2021.
ADDRESSES: For service information identified in this final rule, contact CFM
International, S.A., Aviation Operations Center, 1 Neumann Way, M/D Room 285, Cincinnati, OH 45125; phone: 877
4323272; email:
aviation.fleetsupport@ge.com. You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 1200 District SUMMARY:

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