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Federal Register / Vol. 86, No. 159 / Friday, August 20, 2021 / Rules and Regulations
impracticable, unnecessary, or contrary to the public interest. Under this section, an agency, upon finding good cause, may issue a final rule without seeking comment prior to the rulemaking.
An unsafe condition exists that requires the immediate adoption of this AD without providing an opportunity for public comments prior to adoption.
The FAA has found that the risk to the flying public justifies waiving notice and comment prior to adoption of this rule because un-commanded activation of the rotor brake system due to a jammed rotor brake control cable and subsequent partially open brake control valve could lead to failure of the rotor brake system, with consequent loss of control of the helicopter. In addition, the compliance time for the required action is shorter than the time necessary for the public to comment and for publication of the final rule. Based on the average flight-hour utilization rates of these helicopters, the initial corrective actions must be completed within about two months. Therefore, notice and opportunity for prior public comment are impracticable and contrary to public interest 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.

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
20210672; Project Identifier MCAI
202100304R 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 Darren Gassetto, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, FAA, 1600 Stewart Ave., Suite 410, Westbury, NY 11590; phone:
516 2287323; email:
Darren.Gassetto@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.
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 153 helicopters of U.S. registry.
The FAA estimates the following costs to comply with this AD:

ESTIMATED COSTS FOR INSPECTION
Labor cost
Parts cost
1 work-hour $85 per hour = $85

The FAA estimates the following costs to do any on-condition replacement that would be required
Cost per helicopter $0

$85 per inspection cycle

based on the results of the inspections.
The FAA has no way of determining the
Cost on U.S. operators $13,005 per inspection cycle.

number of helicopters that might need this replacement:

khammond on DSKJM1Z7X2PROD with RULES

ESTIMATED COSTS OF ON-CONDITION ACTIONS
Action
Labor cost
Replacement
Reporting

3 work-hours $85 per hour = $255
1 work-hour $85 per hour = $85

The FAA has included all known costs in this cost estimate. According to the manufacturer, however, some or all of the costs of this AD may be covered under warranty, thereby reducing the cost impact on affected operators.
Paperwork Reduction Act A federal agency may not conduct or sponsor, and a person is not required to
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respond to, nor shall a person be subject to penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB control number. The OMB control number for this information collection is 21200056. Public reporting for this collection of information is estimated to
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Parts cost $615
0

Cost per helicopter $870
85

be approximately 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Send comments regarding this burden estimate or any other aspect of this
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