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Federal Register / Vol. 86, No. 146 / Tuesday, August 3, 2021 / Proposed Rules
Revision 4, dated July 26, 2017 SB 44301
1017. If the elastomeric energy absorber has taken a permanent compression set, replace the elastomeric energy absorber before the next hoist operation.
2 Replace the retaining ring by following the Accomplishment Instructions, paragraphs 2.D through 2.K, of SB 443011017.

jbell on DSKJLSW7X2PROD with PROPOSALS

h New Requirements Except as specified in paragraph i of this AD: Comply with all required actions and compliance times specified in, and in accordance with, EASA AD 20210011.

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 l5 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.

i Exceptions to EASA AD 20210011
1 Where EASA AD 20210011 refers to its effective date, this AD requires using the effective date of this AD.
2 Paragraphs 1 and 2 of EASA AD
20210011 do not apply to this AD. The equivalent FAA requirements are specified in paragraph g of this AD.
3 The Remarks section of EASA AD
20210011 does not apply to this AD.
4 Where the service information referenced in EASA AD 20210011 specifies to discard certain parts, this AD requires removing those parts from service.
5 Where paragraph 3 of EASA AD 2021
0011 specifies to modify using the instructions of the modification ASB, this AD requires using paragraph 3.B.1 and 3.B.2
of the Accomplishment Instructions of the modification ASB.
6 Where the service information referenced in EASA AD 20210011 specifies to use tooling, equivalent tooling may be used.
7 Accomplishing the modification specified in paragraph 3 of EASA AD 2021
0011 or the replacement specified in paragraph 4 of EASA AD 20210011
terminates the repetitive actions required by paragraph g of this AD.
8 Where paragraph 6 of EASA AD 2021
0011 refers to October 25, 2017 the effective date of EASA AD 20170199, this AD
requires using the effective date of this AD;
and where paragraph 6 of EASA AD 2021
0011 specified to do actions as required by paragraph 1 of this EASA AD, for this AD, do the actions required by paragraph g of this AD.
9 Paragraph 7 of EASA AD 20210011
does not apply to this AD. For this AD, for helicopters that do not have an affected hoist identified in paragraph c of this AD
installed: As of the effective date of this AD, do not install an affected hoist identified in paragraph c of this AD on any helicopter.

l Related Information
j Special Flight Permit Special flight permits may be issued in accordance with 14 CFR 21.197 and 21.199
to operate the helicopter to a location where the required actions can be done to the helicopter if the operator elects to do so, provided the hoist is not used.

FR Doc. 202116467 Filed 8221; 8:45 am
1 For EASA AD 20210011, 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 EASA AD on the EASA website at https
ad.easa.europa.eu.
2 For Goodrich 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.
3 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 8172225110. This material may be found in the AD docket on the internet at https www.regulations.gov by searching for and locating Docket No. FAA20210611.
4 Airbus Helicopters Alert Service Bulletin No. ASB EC13585A069, Revision 0, dated August 2, 2017, which is not incorporated by reference, contains additional information about the actions specified in paragraph g of this AD.
5 For more information about this AD, contact Jacob Fitch, Aerospace Engineer, COS
Program Management Section, Operational Safety Branch, Compliance & Airworthiness Division, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; phone: 817 2224130;
email: jacob.fitch@faa.gov.
Issued on July 27, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
BILLING CODE 491013P

16:59 Aug 02, 2021

Jkt 253001

PO 00000

Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210613; Project Identifier MCAI202001431T
RIN 2120AA64

Airworthiness Directives; De Havilland Aircraft of Canada Limited Type Certificate Previously Held by Bombardier, Inc. Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.
AGENCY:

The FAA proposes to adopt a new airworthiness directive AD for certain De Havilland Aircraft of Canada Limited Model DHC8400, 401, and 402 airplanes. This proposed AD was prompted by a report of cracking found on a main landing gear MLG drag strut assembly. This proposed AD would require a records review to determine if an affected MLG drag strut assembly is installed, repetitive detailed inspections for cracking of affected strut assemblies, a one-time magnetic particle inspection for cracking, and on-condition actions if necessary. 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 September 17, 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: 2024932251.
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 above between 9 a.m. and 5
p.m., Monday through Friday, except Federal holidays.
SUMMARY:

Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210613; 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 NPRM, any comments received, and other information. The street address for Docket Operations is listed above.

k 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
VerDate Sep<11>2014

DEPARTMENT OF TRANSPORTATION

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