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Federal Register / Vol. 86, No. 13 / Friday, January 22, 2021 / Rules and Regulations ESTIMATED COSTS
Action
Labor cost
Install secondary retention feature safety wire.
Inspect PPC lever

1 work-hour $85 per hour = $85

Repair, replace, and/or PPC lever input shaft.

rework
1 work-hour $85 per hour = $85
per inspection cycle.
19 work-hours $85 per hour =
$1,615.

The FAA estimates the following costs to do any adjustment that would
Cost per product
Parts cost
Cost on U.S. operators
$10

$95

0

85

1,000

2,615

be required based on the results of the inspection. The FAA has no way of
$5,225.
$4,675 per inspection cycle.
$143,825.

determining the number of aircraft that might need the adjustment:

ON-CONDITION COSTS
Action
Labor cost
Correct attachment of the PPC lever

1 work-hour $85 per hour = $85

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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 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.
Regulatory Findings 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.

VerDate Sep<11>2014

17:17 Jan 21, 2021

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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:

20210102 M7 Aerospace LLC:
Amendment 3921378; Docket No.
FAA20200910; Project Identifier 2018CE044AD.
a Effective Date This airworthiness directive AD is effective February 26, 2021.
b Affected ADs None.
c Applicability This AD applies to M7 Aerospace LLC
Model SA26AT and SA26T airplanes, all serial numbers, certificated in any category.
d Subject Air Transport Association ATA of America Code 61, Propellers/propulsors.
e Unsafe Condition This AD was prompted by reports of the airplane power lever linkage detaching from the TPE331 engine propeller pitch control PPC shaft. The FAA is issuing this AD to
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Cost per product
Parts cost $0

$85

address detachment of the power lever linkage to the TPE331 engine PPC shaft, which could result in uncommanded change to the engine power settings with consequent loss of control.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g PPC Lever Inspection 1 Within 100 hours time-in-service TIS
after the effective date of this AD and thereafter at intervals not to exceed 100 hours TIS, inspect the security of the PPC lever by pulling the PPC lever upward by hand to ensure it does not detach from the PPC input shaft. If the PPC lever detaches during any inspection, before further flight, comply with paragraphs h and i of this AD.
2 The replacement/re-identification required by paragraph h of this AD and the installation of the secondary retention feature safety wire required by paragraph i of this AD terminate the repetitive inspections of the PPC lever attachment required by paragraph g1 of this AD.
h Replace and Inspect the PPC Assembly Within 600 hours TIS after the effective date of this AD or within 12 months after the effective date of this AD, whichever occurs first, unless required before further flight by paragraph g1 of this AD, do the actions in either paragraph h1 or 2 of this AD in accordance with the Accomplishment Instructions in Honeywell International Inc.
Service Bulletin TPE331722190, dated December 21, 2011, except you are not required to report information to the manufacturer.
1 Replace the PPC assembly with the applicable new design PPC assembly.
2 Inspect the splined end of the shouldered shaft for the presence and condition of a threaded hole and, before further flight, repair or replace the cam assembly or rework the PPC assembly, as necessary, and re-identify the shouldered shaft.

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