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Federal Register / Vol. 86, No. 164 / Friday, August 27, 2021 / Proposed Rules
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:

Pacific Aerospace Limited: Docket No. FAA
20210711; Project Identifier 2019CE
024AD.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by October 12, 2021.
b Affected ADs None.
c Applicability This AD applies to Pacific Aerospace Limited Model 750XL airplanes, serial numbers 101 through 215 inclusive, 220, 8001, and 8002, certificated in any category, that are fitted with an air conditioner and/or a standby alternator, including airplanes configured for the installation of an air conditioner and/or a standby alternator, as shown in Figure 1 of Part A in Pacific Aerospace Mandatory Service Bulletin PACSB/XL/113, Issue 2, dated March 8, 2019
MSB PACSB/XL/113, Issue 2.
d Subject Joint Aircraft System Component JASC
Code 2820, Aircraft Fuel Distribution, and 2497, Electrical Power System Wiring.
e Unsafe Condition This AD was prompted by mandatory continuing airworthiness information MCAI
originated by an aviation authority of another country to identify and address an unsafe condition on an aviation product. The MCAI
describes the unsafe condition as chafing of the engine fuel feed line hoses. The FAA is issuing this AD to prevent chafing of the engine fuel feed line hoses with electrical wiring and the ignition exciter located forward of the engine firewall. The unsafe condition, if not addressed, could result in a fuel leak and fire.

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f Compliance Comply with this AD within the compliance times specified, unless already done.
g Required Actions Within 50 hours time-in-service TIS or at the next annual inspection after the effective date of this AD, whichever occurs later, inspect the engine fuel feed line hoses and the electrical wiring for chafing and damage in accordance with the Accomplishment Instructions, Part A steps 3 and 4, in MSB
PACSB/XL/113, Issue 2.
1 If there is any chafing or damage that penetrates the orange outer covering of the fuel line fire sleeve or if there is any chafed or damaged electrical wiring, before further
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flight, inspect the fuel hose for chafing, replace any chafed fire sleeve or fuel hose, and reroute all fuel lines in accordance with the Accomplishment Instructions, Part B, in MSB PACSB/XL/113, Issue 2.
2 If there are no chafed or damaged engine fuel feed line hoses and no chafed or damaged electrical wiring, within 50 hours TIS or at the next annual inspection, whichever occurs later, reroute all fuel lines in accordance with the Accomplishment Instructions, Part B, in MSB PACSB/XL/113, Issue 2.
h 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 certification office, send it to the attention of the person identified in Related Information or email: 9AVS-AIR-730-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 Related Information 1 For more information about this AD, contact Mike Kiesov, Aviation Safety Engineer, General Aviation & Rotorcraft Section, International Validation Branch, FAA, 901 Locust, Room 301, Kansas City, MO 64106; phone: 816 3294144; fax: 816
3294090; email: mike.kiesov@faa.gov.
2 Refer to Civil Aviation Authority CAA
of New Zealand AD DCA/750XL/37, effective April 25, 2019, for more information. You may examine the CAA AD in the AD docket at https www.regulations.gov by searching for and locating it in Docket No. FAA2021
0711.
3 For service information identified in this AD, contact the CAA of New Zealand, Level 15, Asteron Centre, 55 Featherston Street, Wellington 6011; phone: + 64 4 560
9400; fax: + 64 4 569 2024; email: info@
caa.govt.nz. You may view this service information at the Airworthiness Products Section, Operational Safety Branch, FAA, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call 816 3294148.
Issued on August 23, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202118444 Filed 82621; 8:45 am BILLING CODE 491013P

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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 71
Docket No. FAA20210674; Airspace Docket No. 21ASW14
RIN 2120AA66

Proposed Amendment Class D and Class E Airspace; Ardmore, OK
Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.
AGENCY:

This action proposes to amend the Class D and Class E airspace at Ardmore, OK. The FAA is proposing this action as the result of airspace reviews due to the decommissioning of the Arbuckle non-directional beacon NDB. The geographic coordinates of the airport would also be updated to coincide with the FAAs aeronautical database.
DATES: Comments must be received on or before October 12, 2021.
ADDRESSES: Send comments on this proposal to the U.S. Department of Transportation, Docket Operations, West Building Ground Floor, Room W12140, 1200 New Jersey Avenue SE, Washington, DC 20590; telephone 202
3669826, or 800 6475527. You must identify FAA Docket No. FAA2021
0674/Airspace Docket No. 21ASW14, at the beginning of your comments. You may also submit comments through the internet at https www.regulations.gov.
You may review the public docket containing the proposal, any comments received, and any final disposition in person in the Dockets Office between 9:00 a.m. and 5:00 p.m., Monday through Friday, except federal holidays.
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:
fr.inspection@nara.gov or go to https
www.archives.gov/federal-register/cfr/
ibr-locations.html.
FOR FURTHER INFORMATION CONTACT:
Jeffrey Claypool, Federal Aviation Administration, Operations Support SUMMARY:

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