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Federal Register / Vol. 86, No. 33 / Monday, February 22, 2021 / Proposed Rules
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 ECO Branch, 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.
k Related Information 1 For more information about this AD, contact Wego Wang, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781
2387134; fax: 781 2387199; email:
wego.wang@faa.gov.
2 Refer to EASA AD 20190180, dated July 25, 2019, for more information. You may examine the EASA AD in the AD docket at https www.regulations.gov by searching for and locating it in Docket No. FAA2020
1180.
3 For service information identified in this AD, contact Safran Helicopter Engines, S.A., Avenue du 1er Mai, Tarnos, France;
phone: +33 0 5 59 74 40 00. You may view this referenced 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.
Issued on January 22, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202101780 Filed 21921; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
FAA Rules Docket No. 90CE35AD
RIN 2120AA64

Airworthiness Directives; Textron Aviation Inc. Type Certificate previously held by Cessna Aircraft Company Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Proposed rule; withdrawal.
AGENCY:

The FAA is withdrawing a notice of proposed rulemaking NPRM
and supplemental notice of proposed rulemaking SNPRM that proposed to supersede airworthiness directive AD
721408 R1 for Cessna Aircraft Company now Textron Aviation Inc.
Models 310, 320, 401, 402, 411, and 421
airplanes. AD 721408 R1 requires repetitively inspecting the fuel and oil
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SUMMARY:

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flexible hose lines for leakage or evidence of any damaged or deteriorated hose assembly on the above-referenced airplanes and replacing any discrepant part. Since issuance of the SNPRM, the FAA has not received any reports of fuel and oil flexible hose lines that leak or are damaged and has determined that the repetitive inspections required by AD 721408 R1 address the unsafe condition. Accordingly, the NPRM and SNPRM are withdrawn.
DATES: As of February 22, 2021, the proposed rules, which published in the Federal Register on October 23, 1990
55 FR 42726, and October 22, 1998 63
FR 56579, are withdrawn.
FOR FURTHER INFORMATION CONTACT: Jeff Janusz, Supervisory Aviation Safety Specialist, Wichita ACO Branch, FAA, 1801 Airport Road, Wichita, Kansas 67209; phone: 3169464148; fax: 316
9464107; email: jeff.janusz@faa.gov or Wichita-COS@faa.gov.
SUPPLEMENTARY INFORMATION:

repetitive inspections required by AD
721408 R1 address the unsafe condition. Therefore, the FAA
determined that further AD action is not warranted and the proposals should be withdrawn.
Withdrawal of the NPRM and SNPRM
constitutes only such action and does not preclude the agency from issuing future rulemaking on this issue, nor does it commit the agency to any course of action in the future.

Discussion

The FAA issued an NPRM that proposed to amend part 39 of the Federal Aviation Regulations 14 CFR
part 39 to supersede AD 721408R1, Amendment 394215 46 FR 45597, September 14, 1981 AD 721408 R1, which applies to Cessna Aircraft Company Models 310, 320, 401, 402, 411, and 421 series airplanes. The current type certificate holder for these airplanes is Textron Aviation Inc. The NPRM published in the Federal Register on October 23, 1990 55 FR
42726. The FAA subsequently issued an SNPRM, which published on October 22, 1998 63 FR 56579. The NPRM and SNPRM proposed to:
Initially retain the requirement of repetitively inspecting the fuel and oil flexible hose lines for leakage or evidence of any damaged or deteriorated hose assembly on all of the affected airplanes, and replacing any discrepant part; and eventually require, regardless if damage or deterioration was found, replacing the fuel and oil flexible hose assemblies in the engine compartment with an improved design hose assembly as terminating action for the repetitive inspection requirement. For some models, the replacement would have been mandatory and for others it would have been an option instead of continuing the repetitive inspections.
Actions Since the SNPRM Was Issued Since issuance of the SNPRM, FAA
has not received any reports of fuel and oil flexible hose lines that leak or are damaged and has determined that the
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Regulatory Findings Since this action only withdraws an NPRM and SNPRM, it is neither a proposed nor a final rule and therefore, not covered under Executive Order 12866 or the Regulatory Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Withdrawal Accordingly, the notice of proposed rulemaking, which published in the Federal Register on October 23, 1990
55 FR 42726, and the supplemental notice of proposed rulemaking, which published in the Federal Register on October 22, 1998 63 FR 56579, are withdrawn.

Issued on January 20, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202101771 Filed 21921; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20110099; Product Identifier 2010SW085AD
RIN 2120AA64

Airworthiness Directives; Sikorsky Aircraft Corporation Model S76A, S
76B, and S76C Helicopters Modified by Supplemental Type Certificate SR09211RC
Federal Aviation Administration FAA, DOT.
ACTION: Proposed rule; withdrawal.
AGENCY:

The FAA is withdrawing a notice of proposed rulemaking NPRM
that proposed to adopt a new airworthiness directive AD that would have applied to all Sikorsky Aircraft Corporation Sikorsky S76 model helicopters with a certain life raft
SUMMARY:

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