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Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Rules and Regulations
end of the M/R slip ring, before further flight, remove the M/R slip ring from service.
iv If a screw is missing from the outer diameter of the upper end, from the inner diameter of the lower end shaft extension attachment area, or from the outer diameter of the lower end, before further flight, install a new screw and washer, apply a torque to 11.25 Nm, and install double-twist lock wire by following the Compliance Instructions, paragraphs 9a through g of Annex A to ASB 139472 or ASB 189138, as applicable to your model helicopter.
v If any double-twist lock wire is not correctly installed, is missing, or if there is a ferrule ended safety cable installed on any set of upper end or lower end fasters of the M/R slip ring, before further flight, remove the incorrectly installed lock wire or ferrule ended safety cable from service, as applicable, and inspect the fastener torque by applying 11.25 Nm of torque.
A If the torque of a screw installed in the inner diameter the connector flange of the upper end of the M/R slip ring is below 1 Nm of torque, do not remove or replace the screw, before further flight, apply a torque of 11.25 Nm.
B If the torque of a screw installed in the outer diameter of the upper end, in the inner diameter of the lower end shaft extension attachment area, or in the outer diameter of the lower end is below 1 Nm of torque, before further flight, remove the affected screw and washer from service, install a new screw and washer, and apply a torque of 11.25 Nm.
C Install double-twist lock wire by following the Compliance Instructions, paragraphs 9a through g of Annex A to ASB 139472 or ASB 189138, as applicable to your model helicopter.
vi Mark the letter L following the S/N
on the identification label by following the Compliance Instructions, paragraph 3 of Annex A to ASB 139472 or ASB 189138, as applicable to your model helicopter.
2 As of the effective date of this AD, do not install an M/R slip ring identified in paragraph c of this AD unless the requirements of paragraph g1 of this AD
have been accomplished.
h Special Flight Permits Special flight permits are prohibited.

lotter on DSK11XQN23PROD with RULES1

i 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 j1 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.

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j Related Information
DEPARTMENT OF TRANSPORTATION

1 For more information about this AD, contact Steven Warwick, Aerospace Engineer, Certification Section, Fort Worth ACO Branch, Compliance & Airworthiness Division, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817 2225225; email steven.r.warwick@faa.gov.
2 Moog Service Bulletin SB 1601, Revision 5, undated, is attached as Annex A
to both ASB 139472 and ASB 189138. As the design approval holder for the products identified in paragraph c of this AD, contact Leonardo Helicopters for the Moog service information at the contact information specified in paragraph k3 of this AD. It is also available at the contact information specified in paragraph k4 of this AD.
3 The subject of this AD is addressed in European Aviation Safety Agency now European Union Aviation Safety Agency EASA AD 20170083, dated May 10, 2017, and EASA AD 20170087, dated May 12, 2017. You may view the EASA ADs at https www.regulations.gov in Docket No.
FAA20210304.
k 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 Leonardo Helicopters Alert Service Bulletin ASB No. 139472, dated May 9, 2017.
ii Leonardo Helicopters ASB No. 189
138, dated May 12, 2017.
3 For Leonardo Helicopters service information identified in this AD, contact Leonardo S.p.A. Helicopters, Emanuele Bufano, Head of Airworthiness, Viale G.Agusta 520, 21017 C.Costa di Samarate Va Italy; telephone +390331225074; fax +390331229046; or at https
www.leonardocompany.com/en/home.
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 June 8, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202113711 Filed 62821; 8:45 am BILLING CODE 491013P

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Federal Aviation Administration 14 CFR Part 71
Docket No. FAA20210225; Airspace Docket No. 20AAL13
RIN 2120AA66

Amendment of Class E Airspace;
Anaktuvuk Pass, AK
Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

This action modifies the Class E airspace extending upward from 700
feet above the surface at Anaktuvuk Pass Airport, Anaktuvuk Pass, AK. This action updates the airports geographic coordinates and removes the Anaktuvuk Pass NDB from the Class E5 text header and airspace description. The airspace supports instrument flight rules IFR
operations at the airport.
DATES: Effective 0901 UTC, October 7, 2021. The Director of the Federal Register approves this incorporation by reference action under 1 CFR part 51, subject to the annual revision of FAA
Order 7400.11 and publication of conforming amendments.
ADDRESSES: FAA Order 7400.11E, Airspace Designations and Reporting Points, and subsequent amendments can be viewed online at https
www.faa.gov//air_traffic/publications/.
For further information, you can contact the Airspace Policy Group, Federal Aviation Administration, 800
Independence Avenue SW, Washington, DC 20591; telephone: 202 2678783.
The Order is also available for inspection at the National Archives and Records Administration NARA. For information on the availability of FAA
Order 7400.11E at NARA, email fedreg.legal@nara.gov or go to https
www.archives.gov/federal-register/cfr/
ibr-locations.html.
FOR FURTHER INFORMATION CONTACT:
Matthew Van Der Wal, Federal Aviation Administration, Western Service Center, Operations Support Group, 2200 . 216th Street, Des Moines, WA 98198;
telephone 206 2313695.
SUPPLEMENTARY INFORMATION:
SUMMARY:

Authority for This Rulemaking The FAAs authority to issue rules regarding aviation safety is found in Title 49 of the United States Code.
Subtitle I, Section 106 describes the authority of the FAA Administrator.
Subtitle VII, Aviation Programs, describes in more detail the scope of the agencys authority. This rulemaking is
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