Voglio sapere a riguardo di…

68888

Federal Register / Vol. 86, No. 231 / Monday, December 6, 2021 / Rules and Regulations ESTIMATED COSTS
Action
Replacing the bracket assembly.
Reporting and reviewing logbooks.

4.5 work-hours $85 per hour = $382.50

$3,895

$4,277.50

$1,894,932.50

9 work-hours $85 per hour = $765

Not Applicable

765

338,895

Regulatory Findings
A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB Control Number. The OMB
Control Number for this information collection is 21200056. Public reporting for this collection of information is estimated to take approximately 9 hours per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information.
All responses to this collection of information are mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to:
Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 761771524.

This AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government.
For the reasons discussed above, I
certify that this AD:
1 Is not a significant regulatory action under Executive Order 12866, 2 Will not affect intrastate aviation in Alaska, and 3 Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

khammond on DSKJM1Z7X2PROD with RULES

Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs authority to issue rules on aviation safety. 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.
The FAA is issuing this rulemaking under the authority described in Subtitle VII, Part A, Subpart III, Section 44701: General requirements. Under that section, Congress charges the FAA
with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce.
This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action.

15:44 Dec 03, 2021

Cost on U.S.
operators
Parts Cost
Paperwork Reduction Act
VerDate Sep<11>2014

Cost per product
Labor cost
Jkt 256001

List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:
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:

20212311 Learjet Inc.: Amendment 39
21809; Docket No. FAA20210660;
Project Identifier AD202100398T.
a Effective Date This airworthiness directive AD is effective January 10, 2022.
b Affected ADs None.
c Applicability This AD applies to Learjet Inc. Model 45
Learjet 40, Model 45 Learjet 45, Model 45
Learjet 70, and Model 45 Learjet 75

PO 00000

Frm 00014

Fmt 4700

Sfmt 4700

airplanes, serial numbers 45002 through 45
556 and 452001 through 452146, certificated in any category.
d Subject Joint Aircraft System Component JASC
Code 7100, Powerplant System.
e Unsafe Condition This AD was prompted by a report of a fuel leak due to a cracked fuel line between the engine fuel control and the engine fuel flow meter. The FAA is issuing this AD to prevent cracking and failures. The unsafe condition, if not addressed, could result in an engine installation fire, which could progress to an uncontrolled fire and consequent loss of control of the airplane.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Reporting Requirement Within 60 days after the effective date of this AD, report the following information, where available, to the Wichita ACO Branch via email at thomas.teplik@faa.gov and Wichita-COS@faa.gov; or by mail to Wichita ACO Branch, FAA, Attn: Thomas Teplik, 1801 S. Airport Road, Room 100, Wichita, KS
67209.
1 Name of the owner; the address of the owner; name of the organization doing the actions required by this AD; the date the actions were completed; the name of the person submitting the report; the address, telephone number, and email of the person submitting the report.
2 The fan vibration levels that have been recorded in the airplane and engine maintenance records since November 1, 2019. Include the airplane and engine serial numbers.
3 The date of each vibration level recorded and the associated hours time-inservice TIS for the airplane and each engine.
4 For each fan vibration level reported, include:
i Whether molybdenum coating for the fan was applied per Temporary Revision 72
494, dated August 15, 2017 or as subsequently incorporated into the engines Inspection/Repair Manual TFE731 ATA
Number 72IR02.
ii If molybdenum coating was applied using a different process than Temporary Revision 72494, dated August 15, 2017 or as subsequently incorporated into the engines Inspection/Repair Manual TFE731
ATA Number 72IR02, report the process by which the molybdenum coating was applied and the revision level of the
E:FRFM06DER1.SGM

06DER1