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Federal Register / Vol. 86, No. 50 / Wednesday, March 17, 2021 / Proposed Rules alternator main power cable and the exhaust crossover tube for damage and replacing damaged parts as necessary.
The service information also contains procedures for modifying the alternator main power cable routing by installing an additional alternator cable clamp, part number MS21919WCJ6.
This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section.

FAAs Determination The FAA is issuing this NPRM after determining the unsafe condition described previously is likely to exist or develop in other products of the same type design.
Proposed AD Requirements in This NPRM
This proposed AD would require accomplishing the actions specified in the service information described previously, except as discussed under Differences Between this Proposed AD
and the Service Information.

Differences Between This Proposed AD
and the Service Information SB M20340C specifies sending a compliance card to Mooney upon completing the actions in the service information. This proposed AD would not require that action.
Costs of Compliance The FAA estimates that this AD, if adopted as proposed, would affect 18
airplanes of U.S. registry.
The FAA estimates the following costs to comply with this proposed AD:

ESTIMATED COSTS
Cost per product
Labor cost
Inspect the cable and exhaust crossover tube for damage.
Install additional cable clamp

.5 work-hour $85 per hour = $42.50

$0

$42.50

$765

.5 work-hour $85 per hour = $42.50

10

52.50

945

The FAA estimates the following costs to do any necessary repairs/
replacements that would be required
Parts cost
Cost on U.S.
operators
Action
based on the results of the proposed inspection. The agency has no way of
determining the number of aircraft that might need these repairs/replacements:

ON-CONDITION COSTS
Action
Labor cost
Replace alternator main power cable
Replace exhaust crossover tube

8 work-hours $85 per hour = $680
8 work-hours $85.00 per hour = $680

The FAA has included all known costs in its cost estimate. According to the manufacturer, however, some of the costs of this proposed AD may be covered under warranty, thereby reducing the cost impact on affected operators.

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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 proposing 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
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develop on products identified in this rulemaking action.
Regulatory Findings The FAA determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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 this proposed regulation:
1 Is not a significant regulatory action under Executive Order 12866, 2 Would not affect intrastate aviation in Alaska, and 3 Would not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

Parts cost $1,000
2,500

Cost per product $1,680
3,180

Correction Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 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

Corrected
2. The FAA amends 39.13 by adding the following new airworthiness directive:

Mooney International Corporation: Docket No. FAA20210223; Project Identifier AD202000539A.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by April 23, 2021.

List of Subjects in 14 CFR Part 39

b Affected ADs None.

Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

c Applicability This AD applies to Mooney International Corporation Model M20V airplanes, serial
PO 00000

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