Airworthiness directives › 2025-26-06
AD 2025-26-06 Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide)
Applicability*9
This AD applies to Aerospace & Defense Oxygen Systems SaS (part of Safran Aerosystems) (formerly known as Air Liquide) portable breathing equipment (PBE), part number (P/N) 15-40F-11 and P/N 15-40F-80, all serial numbers. These PBEs are eligible for installation on any aircraft and may have been installed during the aircraft manufacturing process (production line), or in-service modification, either through a supplemental type certificate, or using type certificate holder (TCH) approved modification instructions, or through a non-TCH modification approval.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Within 30 days after the effective date of this AD, update the instructions for donning PBE P/N 15-40F-11 and P/N 15-40F-80 as specified in paragraph 3.C., “Procedure,” of Safran Aerosystems Service Bulletin 1540F-35-001, dated October 10, 2025. (2) For aircraft certificated in any category except for transport category airplanes: The owner/operator (pilot) holding at least a private pilot certificate may perform the action specified in paragraph (g)(1) of this AD for your aircraft and must enter compliance with the applicable paragraphs of this AD into the aircraft maintenance records in accordance with 14 CFR 43.9(a) and 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439.
Unsafe condition
This AD was prompted by reports of occurrences of incorrect usage of certain PBEs. The FAA is issuing this AD to address incorrect usage of PBEs. The unsafe condition, if not addressed, could lead to flight or cabin crewmember incapacitation, possibly affecting crewmember capability to accomplish tasks during an emergency, or resulting in fatal injury to that crewmember.
Affected ADs
This AD replaces AD 2025-25-02, Amendment 39-23210 (90 FR 56990, December 9, 2025).
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1