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Federal Register / Vol. 86, No. 210 / Wednesday, November 3, 2021 / Rules and Regulations Regulatory Flexibility Act The requirements of the Regulatory Flexibility Act 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 prior notice and comment, RFA analysis is not required.
Costs of Compliance The FAA estimates that this AD
affects up to 2,850 fire extinguishers installed on aircraft of U.S. registry.
Labor rates are estimated at $85 per work-hour. Based on these numbers, the FAA estimates the following costs to comply with this AD.
Inspecting an affected fire extinguisher would take about 0.25
work-hour for an estimated cost of $21
per fire extinguisher, and up to $59,850
for the U.S. fleet, per inspection cycle.
Replacing an affected fire extinguisher would take about 0.25 work-hour and parts would cost about $1,200 for an estimated cost of $1,221 per fire extinguisher.
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 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 power and responsibilities among the various levels of government.
For the reasons discussed, I certify that this AD:

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1 Is not a significant regulatory action under Executive Order 12866, and 2 Will not affect intrastate aviation in Alaska.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 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:

20212207 Umlaut Engineering GmbH
previously P3 Engineering GmbH
HAFEX Halon-free Hand-Held Fire Extinguishers: Amendment 3921780;
Docket No. FAA20210882; Project Identifier MCAI202100929Q.
a Effective Date This airworthiness directive AD is effective November 18, 2021.
b Affected ADs None.
c Applicability This AD applies to Umlaut Engineering GmbH previously P3 Engineering GmbH
HAFEX Halon-free hand-held fire extinguisher fire extinguisher part numbers P/Ns P3APP003010A, P3APP003010B, and P3APP003010C. An affected fire extinguisher may be installed on, but not limited to, the following aircraft, certificated in any category:
Note 1 to the introductory text of paragraph c: According to Umlaut service information, the fire extinguisher P/N is on the RFID label located on the lever of the fire extinguisher.
1 Airbus SAS Model A318 series, A319
series, A320 series, A321 series, A330200
series, A330200 freighter series, A330300
series, A330800 series, A330900 series, A340200 series, A340300 series, A340500
series, A340600 series, and A350941, AS3501041, A380841, A380842, and A380861 airplanes;
2 Airbus Helicopters Model AS332C, AS332C1, AS332L, AS332L1, AS332L2, AS
365N2, AS 365 N3, EC 155B, EC155B1, EC225LP, SA330J, SA365C, SA365C1, SA
365C2, SA365N, SA365N1, and SA366G1
helicopters;
3 Airbus Helicopters Deutschland GmbH
AHD Model EC135P1, EC135P2, EC135P2+,
PO 00000

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EC135P3, EC135T1 EC135T2, EC135T2+, EC135T3, MBBBK 117 A1, MBBBK 117
A3, MBBBK 117 A4, MBBBK 117 B1, MBBBK 117 B2, MBBBK 117 C1, MBB
BK 117 C2, MBBBK 117 D2, and MBB
BK 117 D3 helicopters;
Note 2 to paragraph c3: Helicopters with an EC135P3H designation are Model EC135P3 helicopters; and helicopters with an MBBBK 117C2e designation are Model MBBBK 117C2 helicopters.
4 ATRGIE Avions de Transport Regional Model ATR42200, ATR42300, ATR42320, ATR42500, ATR72101, ATR72102, ATR72201, ATR72202, ATR72211, ATR72212, and ATR72212A
airplanes;
5 Leonardo S.p.a. Model AB139, AB412, AB412 EP, AW139, AW169, and AW189
helicopters; and 6 PZL Swidnik S.A. Model PZL W3A
helicopters.
d Subject Joint Aircraft Service Component JASC
Code: 2622, Fire Bottle, Portable.
e Unsafe Condition This AD defines the unsafe condition as an impaired fire extinguisher, which could prevent proper extinguishing of a fire in the cabin or cockpit, and result in subsequent damage to the aircraft and injury to the occupants.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Required Actions 1 Within 30 days after the effective date of this AD and thereafter at intervals not to exceed 6 months:
i Inspect each fire extinguisher identified in the introductory paragraph of paragraph c of this AD by following the Accomplishment Instructions, paragraph 3.2.C., steps 1. through 5. but not steps 5.a.
and b., of Umlaut Vender Service Bulletin VSB Doc. No. P3VSB000003, Issue C, dated August 3, 2021 P3VSB000003, Issue C.
ii If the safety pin does not touch the valve head there is a gap, continue to inspect the fire extinguisher by following the Accomplishment Instructions, paragraph 3.2.C., steps 6. through 8. but not steps 8.a.
and b., of P3VSB000003, Issue C.
iii If the lever moves back up into its previous position on its own there is a gap, before further flight, remove the fire extinguisher from service.
2 As of the effective date of this AD, for a fire extinguisher identified in the introductory text of paragraph c of this AD, installed on any aircraft that has not been in operation for 30 or more consecutive days, or if it cannot be determined how long an aircraft has not been in operation, before further flight, and thereafter at intervals not to exceed 6 months, accomplish the actions required by paragraphs g1i through iii of this AD. For purposes of this AD, an engine run-up does not count as aircraft operation.
3 As of the effective date of this AD, do not install as a replacement part or as an
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