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Federal Register / Vol. 86, No. 193 / Friday, October 8, 2021 / Proposed Rules
Safety Branch, 901 Locust, Kansas City, MO
64106. For information on the availability of this material at the FAA, call 816 3294148.
Issued on October 1, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202121938 Filed 10721; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210843; Project Identifier MCAI202000256Q
RIN 2120AA64

Airworthiness Directives; Umlaut Engineering GmbH Previously P3
Engineering GmbH HAFEX HalonFree Hand-Held Fire Extinguishers Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.
AGENCY:

The FAA proposes to adopt a new airworthiness directive AD for certain Umlaut Engineering GmbH
previously P3 Engineering GmbH
HAFEX Halon-free hand-held P3HAFEX fire extinguishers fire extinguishers. This proposed AD was prompted by reports of a quality control issue on certain fire extinguishers, where the spindle geometries of the fire extinguishers were found to be out of tolerance. This proposed AD would require removing affected fire extinguishers from service. The FAA is proposing this AD to address the unsafe condition on these products.
DATES: The FAA must receive comments on this proposed AD by November 22, 2021.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https www.regulations.gov. Follow the instructions for submitting comments.
Fax: 202 4932251.
Mail: U.S. Department of Transportation, Docket Operations, M
30, West Building Ground Floor, Room W12140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Hand Delivery: Deliver to Mail address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.
For service information identified in this NPRM, contact Umlaut Engineering,
jspears on DSK121TN23PROD with PROPOSALS1

SUMMARY:

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Blohmstrasse 12, Hamburg, Germany 21079, Phone: 49 0 40 75 25 779 0, email: hafex@umlaut.com, or web:
https www.umlaut.com/hafex. You may view this service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N321, Fort Worth, TX
76177. For information on the availability of this material at the FAA, call 817 2225110.
Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210843; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this NPRM, the European Union Aviation Safety Agency EASA AD, any comments received, and other information. The street address for Docket Operations is listed above.
FOR FURTHER INFORMATION CONTACT:
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.
SUPPLEMENTARY INFORMATION:
Comments Invited The FAA invites you to send any written relevant data, views, or arguments about this proposal. Send your comments to an address listed under ADDRESSES. Include Docket No.
FAA20210843; Project Identifier MCAI202000256Q at the beginning of your comments. The most helpful comments reference a specific portion of the proposal, 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 proposal 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 NPRM.
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
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from public disclosure. If your comments responsive to this NPRM
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 NPRM, 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 NPRM. 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 which is not specifically designated as CBI will be placed in the public docket for this rulemaking.
Background EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD 20200013, dated January 29, 2020 EASA AD
20200013, to correct an unsafe condition for Airbus Helicopters Model AS 332 C, C1, L, L1, and L2, AS 365 N2
and N3, EC 155 B and B1, EC 175 B, EC
225 LP, SA 330 J, and SA 365 C1, C2, C3, N, and N1 helicopters; Airbus Helicopters Deutschland GmbH Model EC135 P1, P2, P2+, P3, T1, T2, T2+, and T3, EC635 P2+, P3, T1, T2+, and T3, and MBBBK117 A1, A3, A4, B1, B2, C1, C2, and D2 helicopters;
Leonardo S.p.A. Model AB139, AB
204B, AB 205 A1, AB 212, AB 412, AB
412EP, AS61N, AS61N1, AW139, AW169, and AW189 helicopters; and WSK PZLSWIDNIK S.A. Model PZL
W3A and PZL W3AS helicopters.
EASA advises of occurrences that have been reported of a quality issue on certain fire extinguishers, manufactured by Umlaut Engineering GmbH formerly P3 Engineering GmbH, where the spindle geometries of the extinguishers were found to be out of tolerance. The manufacturing defect identified in certain serial-numbered fire extinguisher part numbers P/Ns P3APP003010A and P3APP003010C
with a manufacturing date of March 2019 through July 2019 inclusive, where prolonged exposure 12 hours or more to high temperature conditions of more than 68 C 154.4 F could cause a nondetectable seizure of the spindle that could cause the fire extinguisher to be inoperative. This condition, if not
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