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Federal Register / Vol. 86, No. 132 / Wednesday, July 14, 2021 / Rules and Regulations
37021

ESTIMATED COSTS
Action
Labor cost
Inspection

1 work-hour $85 per hour = $85

The FAA estimates the following costs to do any necessary on-condition
Cost per product
Parts cost
actions that would be required based on the results of the inspection. The FAA

$0

Cost on U.S.
operators
$85

$6,035

has no way of determining the number of aircraft that might need these actions:

ON-CONDITION COSTS
Action
Labor cost
Wiring change and test

1 work-hour $85 per hour = $85

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.

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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, and 2 Will not affect intrastate aviation in Alaska.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

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Adoption of 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:

20211504 The Boeing Company:
Amendment 3921651; Docket No.
FAA20210566; Project Identifier MCAI202100733T.
a Effective Date This airworthiness directive AD becomes effective July 14, 2021.
b Affected ADs None.
c Applicability This AD applies to The Boeing Company Model 767300 series airplanes, certificated in any category, that have been modified to a Bedek Division Special Freighter BDSF, in accordance with FAA Supplemental Type Certificate STC ST02040SE the freighter configuration is designated as 767
300BDSF, and which are listed in paragraph 1.A., Effectivity, of IAI-Aviation Group Alert Service Bulletin 36824098, Revision 1, dated June 2021.
d Subject Air Transport Association ATA of America Code 24, Electrical Power.
e Reason This AD was prompted by a report that the electrical diagram for the C9066 circuit breaker connection wiring for the Main Deck Oxygen Alert Control is erroneous and might have resulted in incorrect installation.
The FAA is issuing this AD to address potential incorrect installation of the Main
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Cost per product
Parts cost $0

$85

Deck Oxygen Alert Control circuit breaker, which could result in overheating and burning of the wiring, and consequently, could result in smoke triggering an alarm and causing the crew workload to increase; or could result in a short circuit to adjacent wires causing malfunctions in other systems.
Furthermore, since this is a potentially unprotected circuit, if any failure occurs along the length of this circuit it could result in a fire and cause collateral damage to adjacent circuits and affect critical systems necessary for continued safe flight and landing.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Inspection, Wiring Connection Change, and Test Within 10 days after the effective date of this AD, perform a detailed inspection of the wiring connection common to the C9066
circuit breaker to make sure 20 AWG wire is connected to terminal 1 and the BUS is connected to terminal 2, in accordance with steps 1. through 3. of the Accomplishment Instructions of IAI-Aviation Group Alert Service Bulletin 36824098, Revision 1, dated June 2021. If 20 AWG wire is not connected to terminal 1 or the BUS is not connected to terminal 2, before further flight, make changes to the wiring connection and test the main deck oxygen alert system, in accordance with steps 4. through 13. of the Accomplishment Instructions of IAI-Aviation Group Alert Service Bulletin 36824098, Revision 1, dated June 2021.
h No Report Although IAI-Aviation Group Alert Service Bulletin 36824098, Revision 1, dated June 2021, specifies to report inspection findings, this AD does not require any report.
i Alternative Methods of Compliance AMOCs 1 The Manager, Seattle ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending
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