[Federal Register Volume 86, Number 33 (Monday, February 22, 2021)]
[Proposed Rules]
[Page 10504]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-01771]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[FAA Rules Docket No. 90-CE-35-AD]
RIN 2120-AA64


Airworthiness Directives; Textron Aviation Inc. (Type Certificate 
previously held by Cessna Aircraft Company) Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Proposed rule; withdrawal.

-----------------------------------------------------------------------

SUMMARY: The FAA is withdrawing a notice of proposed rulemaking (NPRM) 
and supplemental notice of proposed rulemaking (SNPRM) that proposed to 
supersede airworthiness directive (AD) 72-14-08 R1 for Cessna Aircraft 
Company (now Textron Aviation Inc.) Models 310, 320, 401, 402, 411, and 
421 airplanes. AD 72-14-08 R1 requires repetitively inspecting the fuel 
and oil 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 72-14-08 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the NPRM and SNPRM are withdrawn.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1998 (63 FR 56579), are withdrawn.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: 316-946-4148; fax: 316-946-4107; email: 
[email protected] or [email protected].

SUPPLEMENTARY INFORMATION:

Discussion

    The FAA issued an NPRM that proposed to amend part 39 of the 
Federal Aviation Regulations (14 CFR part 39) to supersede AD 72-14-
08R1, Amendment 39-4215 (46 FR 45597, September 14, 1981) (AD 72-14-08 
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 repetitive inspections required by AD 72-14-08 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.

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

0
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. 2021-01771 Filed 2-19-21; 8:45 am]
BILLING CODE 4910-13-P