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Federal Register / Vol. 86, No. 103 / Tuesday, June 1, 2021 / Rules and Regulations List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

c of this AD on the aft connection of the tail rotor ball bearing control of any helicopter.

The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:

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 i1 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.

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:

20211023 Airbus Helicopters Deutschland GmbH AHD: Amendment 3921556; Docket No. FAA20210126;
Project Identifier MCAI202000266R.
a Effective Date This airworthiness directive AD is effective July 6, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus Helicopters Deutschland GmbH AHD Model MBBBK
117 D2 helicopters, certificated in any category, with a Titanium Ti bolt part number EN3740060022F marked with manufacturer monogram D or with an illegible manufacturer monogram, installed on the aft connection of the tail rotor ball bearing control.
d Subject Joint Aircraft Service Component JASC
Codes: 1430, Fasteners; and 6720, Tail Rotor Control System.
e Unsafe Condition This AD was prompted by a Ti-bolt with hydrogen embrittlement. This condition could result in failure of the tail rotor ball bearing control Ti-bolt and subsequent loss of tail rotor control.

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f Compliance Comply with this AD within the compliance times specified, unless already done.
g Required Actions 1 Within 50 hours time-in-service or 3
months, whichever occurs first, remove any Ti-bolt identified in paragraph c of this AD, located on the aft connection of the tail rotor ball bearing rod end item 5 and at the input lever item 2 as shown in Figure 1 to Airbus Helicopters Alert Service Bulletin No. ASB
MBBBK117 D200A001, Revision 1, dated October 16, 2019, from service.
2 As of the effective date of this AD, do not install a Ti-bolt identified in paragraph
VerDate Sep<11>2014

16:41 May 28, 2021

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h Alternative Methods of Compliance AMOCs
i Related Information
j 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 Airbus Helicopters Alert Service Bulletin No. ASB MBBBK117 D200A
001, Revision 1, dated October 16, 2019.
ii Reserved 3 For service information identified in this AD, contact Airbus Helicopters, 2701 N
Forum Drive, Grand Prairie, TX 75052;
telephone 972 6410000 or 800 2320323;
fax 972 6413775; or at https
www.airbus.com/helicopters/services/
technical-support.html.
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.

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Issued on May 7, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202111392 Filed 52821; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210097; Project Identifier MCAI202001334T; Amendment 3921559; AD 20211026
RIN 2120AA64

Airworthiness Directives; Bombardier, Inc., Airplanes Federal Aviation Administration FAA, Department of Transportation DOT.
ACTION: Final rule.
AGENCY:

1 For more information about this AD, contact Matt Fuller, AD Program Manager, General Aviation & Rotorcraft Unit, Airworthiness Products Section, Operational Safety Branch, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817 222
5110; email matthew.fuller@faa.gov.
2 The subject of this AD is addressed in European Union Aviation Safety Agency EASA AD 20190258, dated October 18, 2019. You may view the EASA AD at https
www.regulations.gov in Docket No. FAA
20210126.

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The FAA is adopting a new airworthiness directive AD for certain Bombardier, Inc., Model BD1001A10
airplanes. This AD was prompted by reports of DC motor pump DCMP
failures during production flight tests.
This AD requires installing a redesigned DCMP electric motor assembly. The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective July 6, 2021.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD
as of July 6, 2021.
ADDRESSES: For service information identified in this final rule, contact Bombardier, Inc., 200 Cote-Vertu Road West, Dorval, Quebec H4S 2A3, Canada;
North America toll-free telephone 18665381247 or direct-dial telephone 15148552999; email ac.yul@aero.bombardier.com; internet https www.bombardier.com. You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 2062313195.
It is also available on the internet at https www.regulations.gov by searching for and locating Docket No.
FAA20210097.
SUMMARY:

Examining the AD Docket You may examine the AD docket on the internet at https
www.regulations.gov by searching for and locating Docket No. FAA2021
0097; or in person at Docket Operations
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