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Federal Register / Vol. 86, No. 103 / Tuesday, June 1, 2021 / Rules and Regulations c Applicability This AD applies to Bombardier, Inc., Model BD1001A10 airplanes, certificated in any category, serial numbers 20003
through 20406 inclusive.
d Subject Air Transport Association ATA of America Code 29, Hydraulic power.
e Reason This AD was prompted by reports of DC
motor pump DCMP failures during production flight tests. These failures caused the electrical system generators to disconnect due to excessive induced voltage in the bus, caused by the DCMP overheating at high altitudes. The FAA is issuing this AD to address failures of the DCMP and electrical system generators, which could lead to the loss of normal electrical power on the airplane.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Required Actions Within 6 months after the effective date of this AD: Install the redesigned DCMP electric motor assembly, having part number P/N
9452023, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 1002918, Revision 03, dated December 18, 2014.
h Parts Installation Prohibition After accomplishing the installation required by paragraph g of this AD, no person may install a DCMP having P/N
MB74F9/7 on any airplane.

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i Credit for Previous Actions This paragraph provides credit for actions required by paragraph g of this AD, if those actions were performed before the effective date of this AD using Bombardier Service Bulletin 1002918, dated July 2, 2013;
Bombardier Service Bulletin 1002918, Revision 01, dated January 21, 2014; or Bombardier Service Bulletin 1002918, Revision 02, dated July 18, 2014.
j Other FAA AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, New York ACO
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 responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the certification office, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 5162287300; fax 5167945531. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.

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2 Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada Civil Aviation TCCA; or Bombardier, Inc.s TCCA Design Approval Organization DAO. If approved by the DAO, the approval must include the DAO-authorized signature.
k Related Information 1 Refer to Mandatory Continuing Airworthiness Information MCAI TCCA AD
CF202031, dated September 23, 2020, for related information. This MCAI may be found in the AD docket on the internet at https www.regulations.gov by searching for and locating Docket No. FAA20210097.
2 For more information about this AD, contact Steven Dzierzynski, Aerospace Engineer, Avionics and Electrical Systems Services Section, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: 5162287367;
fax: 5167945531; email: 9-avs-nyaco-cos@
faa.gov.
3 Service information identified in this AD that is not incorporated by reference is available at the addresses specified in paragraphs l3 and 4 of this AD.
l 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 this AD specifies otherwise.
i Bombardier Service Bulletin 1002918, Revision 03, dated December 18, 2014.
ii Reserved 3 For service information identified in this AD, contact Bombardier, Inc., 200 CoteVertu 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.
4 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.
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/ibrlocations.html.
Issued on May 7, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202111426 Filed 52821; 8:45 am BILLING CODE 491013P

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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210104; Project Identifier MCAI202000477R; Amendment 3921551; AD 20211018
RIN 2120AA64

Airworthiness Directives; Airbus Helicopters Deutschland GmbH
Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is adopting a new airworthiness directive AD for certain Airbus Helicopters Deutschland GmbH
Model MBBBK117 D2 helicopters.
This AD was prompted by reports that collective lever switch units having certain part numbers did not have retaining rings installed in the cable cut switch guard. This AD requires inspecting certain collective lever switch units for discrepancies missing retaining rings, incorrectly installed retaining rings, and a missing axis in the cable cut switch guard, doing all applicable corrective actions, and marking affected parts, 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 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 material incorporated by reference IBR in this AD, 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 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 6N321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call 8172225110. It is also available in the AD docket on the internet at https www.regulations.gov by searching for and locating Docket No.
FAA20210104.
SUMMARY:

Examining the AD Docket You may examine the AD docket on the internet at https
www.regulations.gov by searching for
E:FRFM01JNR1.SGM

01JNR1