Airworthiness directives › 2026-05-09
AD 2026-05-09 Airworthiness Directives; Airbus Helicopters
Models named: AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus Helicopters Model AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency AD 2025-0287, dated December 17, 2025 (EASA AD 2025-0287). (2) The owner/operator (pilot) holding at least a private pilot certificate may perform a visual check of both sides of the thermal paper and must enter compliance with this requirement into the helicopter maintenance records in accordance with 14 CFR 43.9(a) and 14 CFR 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 a report of a broken hose of the draining system in the rear cargo compartment due to hot air leakage from an engine combustion chamber drain valve failure. The FAA is issuing this AD to prevent failure of the rear cargo compartment hoses. The unsafe condition, if not addressed, could result in an uncontrolled fire in the cargo compartment, reduced control of the helicopter, and possible loss of control of the helicopter.
Affected ADs
None.
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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