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Federal Register / Vol. 86, No. 150 / Monday, August 9, 2021 / Proposed Rules
this proposed AD. The average labor rate is $85 per work-hour.
Based on these figures, the FAA
estimates the cost of the proposed inspection on U.S. operators to be $1,955, or $85 per airplane.
In addition, the FAA estimates that any necessary action to separate the connections would take about 3 workhours and require parts costing $25, for a cost of $280 per airplane. The FAA
has no way of determining the number of products that may need these actions.
The FAA has included all costs in this 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.
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 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.

VerDate Sep<11>2014

16:39 Aug 06, 2021

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List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Proposed Amendment 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

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

Pacific Aerospace Limited: Docket No. FAA
20210213; Project Identifier 2018CE
036AD.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by September 23, 2021.
b Affected ADs None.
c Applicability This AD applies to Pacific Aerospace Limited Model 750XL airplanes, serial numbers up to and including 222, certificated in any category, with the battery installed within the engine bay at the firewall.
d Subject Joint Aircraft System Component JASC
Code 2400, Electric Power System.
e Reason This AD was prompted by mandatory continuing airworthiness information MCAI
originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI
identifies the unsafe condition as insufficient separation of ground terminations for individual power sources and static grounds.
The FAA is issuing this AD to detect and correct ground terminations with insufficient separation, which could lead to loss of primary and secondary power sources if the ground connection fails and consequent simultaneous loss of multiple airplane systems.
f Compliance Comply with this AD within the compliance times specified, unless already done.

Instructions, figure 2, of Pacific Aerospace Mandatory Service Bulletin PACSB/XL/104, Issue 1, dated May 2, 2018 PACSB/XL/
104I1.
2 If the ground leads connect to a single ground stud, before further flight, separate the battery ground lead connections by following the Accomplishment Instructions, steps 4 through 36, of PACSB/XL/104I1.
h Alternative Methods of Compliance AMOCs 1 The Manager, International Validation Branch, 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 local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in Related Information or email: 9-AVS-AIR-730-AMOC@faa.gov.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/
certificate holding district office.
i Related Information 1 Refer to Civil Aviation Authority CAA
of New Zealand AD DCA/750XL/30, dated July 5, 2018, for related information. You may examine the CAA AD at https
www.regulations.gov by searching for and locating Docket No. FAA20210213.
2 For more information about this AD
contact Mike Kiesov, Aviation Safety Engineer, FAA, General Aviation & Rotorcraft Section, International Validation Branch, 901
Locust, Room 301, Kansas City, MO 64106;
816 3294144; fax: 816 3294090; email:
mike.kiesov@faa.gov.
3 For service information related to this AD, contact the Civil Aviation Authority of New Zealand, Level 15, Asteron Centre, 55
Featherston Street, Wellington 6011; phone:
+64 4 560 9400; fax: +64 4 569 2024; email:
info@caa.govt.nz. You may review this referenced service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO
64106. For information on the availability of this material at the FAA, call 816 3294148.
Issued on July 29, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202116659 Filed 8621; 8:45 am BILLING CODE 491013P

g Inspection and Corrective Action 1 Within 12 months after the effective date of this AD, inspect the battery installation in the engine bay to determine if the ground leads connect to a single ground stud as shown in the Accomplishment
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