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Federal Register / Vol. 86, No. 162 / Wednesday, August 25, 2021 / Proposed Rules
Costs of Compliance
The FAA estimates the following costs to comply with this proposed AD:

The FAA estimates that this proposed AD affects 36 airplanes of U.S. registry.

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Cost per product
Cost on U.S.
operators
5 work-hours $85 per hour = $425

$13,012

$13,437

$483,732

According to the manufacturer, some or all of the costs of this proposed AD
may be covered under warranty, thereby reducing the cost impact on affected operators. The FAA does not control warranty coverage for affected operators.
As a result, the FAA has included all known costs in the cost estimate.
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.

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17:55 Aug 24, 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

Authority: 49 U.S.C. 106g, 40113, 44701.
Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive AD:

Airbus Canada Limited Partnership Type Certificate Previously Held by C Series Aircraft Limited Partnership CSALP;
Bombardier, Inc.: Docket No. FAA
20210696; Project Identifier MCAI
202100032T.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by October 12, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus Canada Limited Partnership type certificate previously held by C Series Aircraft Limited Partnership CSALP; Bombardier, Inc. Model BD500
1A10 and BD5001A11 airplanes, certificated in any category, as identified in Transport Canada Civil Aviation TCCA AD
CF202101, dated January 8, 2021 TCCA
AD CF202101.
d Subject Air Transport Association ATA of America Code 26, Fire protection.
e Reason This AD was prompted by reports of loose or disconnected powerplant FIREX
interconnection hoses. The FAA is issuing this AD to address the possibility that fire extinguishing agent may not be effectively applied should a fire occur within a powerplant assembly that has a partially or completely disconnected FIREX hose, which
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f Compliance Comply with this AD within the compliance times specified, unless already done.
g Requirements Except as specified in paragraph h of this AD: Comply with all required actions and compliance times specified in, and in accordance with, TCCA AD CF202101.
h Exceptions to TCCA AD CF202101

1. The authority citation for part 39
continues to read as follows:

39.13

could result in the inability to put out a fire in the engine.

1 Where TCCA AD CF202101 refers to its effective date, this AD requires using the effective date of this AD.
2 Where TCCA AD CF202101 refers to hours air time, this AD requires using flight hours.
i No Reporting Requirement Although the service information referenced in TCCA AD CF202101
specifies to submit certain information to the manufacturer, this AD does not include that requirement.
j Other FAA AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, New York 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 information directly to the manager of the certification office, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 5162287300; fax 5167945531. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.
2 Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or TCCA; or Airbus Canada Limited Partnerships TCCA Design Approval Organization DAO. If approved by the DAO, the approval must include the DAOauthorized signature.

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