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Federal Register / Vol. 86, No. 107 / Monday, June 7, 2021 / Rules and Regulations ESTIMATED COSTS
Action
Labor cost
ALS revision

1 work-hour $85 per hour = $85.
7 work-hours $85 per hour = $595.

Eddy current inspection of the fuselage wing fittings and wing-to-fuselage fittings.

The FAA estimates the following costs to do the inspections and installation that would be required if an
Cost per product
Parts cost $0
1,860

Cost on U.S.
operators
$85

$2,550.

2,455 per inspection cycle.

73,650 per inspection cycle.

earlier version of the service information has been accomplished.
The agency has no way of determining
the number of aircraft that might need these inspections and installation:

ON-CONDITION COSTS
Action
Labor cost
Visual and eddy current inspection and installation for certain bushes

7 work-hours $85 per hour =
$595.

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.

khammond on DSKJM1Z7X2PROD with RULES

Regulatory Findings The FAA determined that 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
VerDate Sep<11>2014

16:24 Jun 04, 2021

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under the criteria of the Regulatory Flexibility Act.
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:
a. Removing Airworthiness Directive 20142504, Amendment 3918045 79
FR 73803, December 12, 2014, and b. Adding the following new airworthiness directive:

20211108 Pilatus Aircraft Ltd.:
Amendment 3921570; Docket No.
FAA20200857; Project Identifier MCAI202000707A.
a Effective Date This airworthiness directive AD is effective July 12, 2021.
b Affected ADs This AD replaces AD 20142504, Amendment 3918045 79 FR 73803, December 12, 2014 AD 20142504.
c Applicability This AD applies to Pilatus Aircraft Ltd.
Model PC6, PC6H1, PC6H2, PC6/350, PC6/350H1, PC6/350H2, PC6/A, PC6/
AH1, PC6/AH2, PC6/BH2, PC6/B1
H2, PC6/B2H2, PC6/B2H4, PC6/CH2,
PO 00000

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Parts cost $1,860

Cost per product $2,455

and PC6/C1H2 airplanes, all serial numbers, certificated in any category.
Note 1 to paragraph c: These airplanes may also be identified as Fairchild Republic Company airplanes, Fairchild Industries airplanes, Fairchild Heli Porter airplanes, or Fairchild-Hiller Corporation airplanes.
d Subject Air Transport Association ATA of America Code 05, Time Limits/Maintenance Checks.
e Reason This AD was prompted by a determination that new and more restrictive airworthiness limitations, new life limits, and new inspection procedures are necessary. The FAA is issuing this AD to address reduced airplane controllability due to possible loss of structural integrity of certain parts.
f Airworthiness Limitations Revision Unless already done, before further flight, comply with the actions specified in paragraphs f1 through 3 of this AD.
1 For Models PC6/B2H2 and PC6/B2
H4 airplanes, revise the airworthiness limitations section ALS of the existing maintenance manual or instructions for continued airworthiness ICA for your airplane as follows:
i Replace Section 040000 with Section 040000, Airworthiness Limitations, of Chapter 04, Airworthiness Limitations, of the Pilatus PC6 Aircraft Maintenance Manual Document No. 01975, Revision 30, dated October 30, 2020.
ii Add or replace, if applicable Section 530001, Fuselage Wing Fittings Inspection/Check, of the Pilatus PC6
Aircraft Maintenance Manual Document No.
01975, Revision 30, dated October 30, 2020.
iii Add Section 570003, Wing to Fuselage FittingsInspection/Check, of the Pilatus PC6 Aircraft Maintenance Manual Document No. 01975, Revision 29, dated February 28, 2020.
2 For all airplanes specified in paragraph c of this AD except Models PC6/B2H2
and PC6/B2H4 airplanes, revise the ALS of
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