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Federal Register / Vol. 86, No. 163 / Thursday, August 26, 2021 / Rules and Regulations Justification for Immediate Adoption and Determination of the Effective Date Section 553b3B of the Administrative Procedure Act APA 5
U.S.C. 551 et seq. authorizes agencies to dispense with notice and comment procedures for rules when the agency, for good cause, finds that those procedures are impracticable, unnecessary, or contrary to the public interest. Under this section, an agency, upon finding good cause, may issue a final rule without providing notice and seeking comment prior to issuance.
Further, section 553d of the APA
authorizes agencies to make rules effective in less than thirty days, upon a finding of good cause.
AD 20211103 omitted service information required for compliance for certain Model EC 155B and EC155B1
helicopters. This AD corrects that error by including Airbus Helicopters Alert Service Bulletin ASB No. 53A035, Revision 0, dated March 13, 2017, and ASB No. 53A035, Revision 1, dated December 20, 2018 in the regulatory text. The public was previously provided opportunity for comment on the costs of the AD and required actions.
Accordingly, notice and opportunity for prior public comment are unnecessary pursuant to 5 U.S.C.
553b3B. In addition, the FAA finds that good cause exists pursuant to 5
U.S.C. 553d for making this amendment effective in less than 30
days, for the same reasons the FAA
found good cause to forego notice and comment.

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Explanation of Required Compliance Information In the FAAs ongoing efforts to improve the efficiency of the AD
process, the FAA developed a process to use some civil aviation authority CAA
ADs as the primary source of information for compliance with requirements for corresponding FAA
ADs. The FAA has been coordinating this process with manufacturers and CAAs. As a result, the FAA is incorporating EASA AD 20190008 by reference in this FAA final rule. This AD, therefore, requires compliance with EASA AD 20190008 in its entirety through that incorporation, except for any differences identified as exceptions in the regulatory text of this AD. Using common terms that are the same as the heading of a particular section in EASA
AD 20190008 does not mean that operators need comply only with that section. For example, where the AD
requirement refers to all required actions and compliance times, compliance with this AD requirement is
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not limited to the section titled Required Actions and Compliance Times in EASA AD 20190008.
Service information required by EASA
AD 20190008 for compliance is available at https www.regulations.gov by searching for and locating Docket No.
FAA20210717.
Comments Invited The FAA invites you to send any written relevant data, views, or arguments about this AD. Send your comments to an address listed under ADDRESSES. Include Docket No. FAA
20210717; Project Identifier AD2021
00814R at the beginning of your comments. The most helpful comments reference a specific portion of the AD, explain the reason for any recommended change, and include supporting data. The FAA will consider all comments received by the closing date and may amend this AD because of those comments.
Except for Confidential Business Information CBI as described in the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to https
www.regulations.gov, including any personal information you provide. The agency will also post a report summarizing each substantive verbal contact received about this AD.
Confidential Business Information CBI is commercial or financial information that is both customarily and actually treated as private by its owner.
Under the Freedom of Information Act FOIA 5 U.S.C. 552, CBI is exempt from public disclosure. If your comments responsive to this AD contain commercial or financial information that is customarily treated as private, that you actually treat as private, and that is relevant or responsive to this AD, it is important that you clearly designate the submitted comments as CBI. Please mark each page of your submission containing CBI as PROPIN. The FAA
will treat such marked submissions as confidential under the FOIA, and they will not be placed in the public docket of this AD. Submissions containing CBI
should be sent to Andrea Jimenez, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, Compliance &
Airworthiness Division, FAA, 1600
Stewart Ave., Suite 410, Westbury, NY
11590; telephone 516 2287330; email andrea.jimenez@faa.gov. Any commentary that the FAA receives that is not specifically designated as CBI will be placed in the public docket for this rulemaking.

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Regulatory Flexibility Act RFA
The requirements of the RFA do not apply when an agency finds good cause pursuant to 5 U.S.C. 553 to adopt a rule without prior notice and comment.
Because the FAA has determined that it has good cause to adopt this rule without notice and comment, RFA
analysis is not required.
Costs of Compliance The FAA estimates that this AD
affects 53 helicopters of U.S. Registry.
Labor rates are estimated at $85 per work-hour. Based on these numbers, the FAA estimates that operators may incur the following costs in order to comply with this AD.
Inspecting the MGB front fittings takes about 2 work-hours for an estimated cost of $170 per helicopter and $9,010 for the U.S. fleet. If required, replacing an MGB front fitting takes about 2 work-hours and parts cost about $590 for an estimated total cost of $760
per fitting. Other repairs will take up to 8 work-hours excluding drying time and parts will cost a minimal amount for an estimated cost of up to $680 per helicopter.
Modifying the MGB fixed cowling attachments takes about 5 work-hours and parts cost about $630 for an estimated cost of $1,055 per helicopter and $55,915 for the U.S. fleet.
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 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
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