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Federal Register / Vol. 86, No. 177 / Thursday, September 16, 2021 / Rules and Regulations
prohibited from further flight due to a crack finding as a result of paragraph g of this AD.
This ferry flight must be performed without passengers, involve non-ETOPS operation, and consume no more than three FCs.

Issued on August 23, 2021.
Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service.

l Alternative Methods of Compliance AMOCs
FR Doc. 202119982 Filed 91521; 8:45 am BILLING CODE 491013P

1 The Manager, ECO 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. You may email your request to: ANE-AD-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.
m Related Information 1 For more information about this AD, contact Kevin Clark, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781
2387088; fax: 781 2387199; email:
kevin.m.clark@faa.gov.
2 Refer to European Union Aviation Safety Agency EASA AD 20200240, dated November 5, 2020, for more information. You may examine the EASA AD in the AD docket at https www.regulations.gov by searching for and locating Docket No. FAA20210306.
n 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 the AD specifies otherwise.
i Rolls-Royce Alert Non-Modification Service Bulletin Trent 1000 72AK313, Revision 1, dated August 22, 2019.
ii Rolls-Royce Alert Service Bulletin Trent 1000 72AK430, Initial Issue, dated August 17, 2020.
3 For Rolls-Royce service information identified in this AD, contact Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, DE24 8BJ, United Kingdom; phone:
+44 01332 242424; fax: +44 01332 249936;
website: https www.rolls-royce.com/
contact-us.aspx.
4 You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781 2387759.
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: fr.inspection@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.

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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210790; Project Identifier MCAI202101007T; Amendment 3921738; AD 20211920
RIN 2120AA64

Airworthiness Directives; Dassault Aviation Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Final rule; request for comments.
AGENCY:

The FAA is adopting a new airworthiness directive AD for all Dassault Aviation Model FALCON 7X
airplanes. This AD was prompted by a report of defects on the piston hole associated with the O2 saver feature that may prevent efficient deactivation of the O2 saver function. This AD requires amending the existing airplane flight manual AFM to incorporate a check and an operating limitation regarding the O2 saver function, as specified in a European Union Aviation Safety Agency EASA AD, which is incorporated by reference. This AD also limits the installation of affected parts under certain conditions. The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD becomes effective September 16, 2021.
The Director of the Federal Register approved the incorporation by reference of a certain publications listed in this AD as of September 16, 2021.
The FAA must receive comments on this AD by November 1, 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
SUMMARY:

PO 00000

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p.m., Monday through Friday, except Federal holidays.
For material incorporated by reference IBR in this AD, contact EASA, KonradAdenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221 8999 000;
email ADs@easa.europa.eu; internet www.easa.europa.eu. You may find this IBR material on the EASA website at https ad.easa.europa.eu. You may view this material 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 in the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210790.
Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210790; 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 AD, the mandatory continuing airworthiness information MCAI, any comments received, and other information. The street address for Docket Operations is listed above.
FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer, Large Aircraft Section, FAA, International Validation Branch, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313226; email Tom.Rodriguez@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited The FAA invites you to send any written data, views, or arguments about this final rule. Send your comments to an address listed under ADDRESSES.
Include Docket No. FAA20210790;
Project Identifier MCAI202101007T
at the beginning of your comments. The most helpful comments reference a specific portion of the final rule, explain the reason for any recommended change, and include supporting data.
The FAA will consider all comments received by the closing date and may amend this final rule because of those comments.
Except for Confidential Business Information CBI as described in the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to https
www.regulations.gov, including any personal information you provide. The agency will also post a report
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