Airworthiness directives › 2023-03-13
AD 2023-03-13 Airworthiness Directives; Airbus Helicopters
Models named: AS355E, AS355F, AS355F1, AS355F2, AS355N. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Model AS355E, AS355F, AS355F1, AS355F2, and AS355N helicopters, all serial numbers, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
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 2022-0180, dated August 29, 2022 (EASA AD 2022-0180).
Unsafe condition
This AD was prompted by a report of a partially broken right-hand side tail rotor drive fan support (fan support) and a completely broken left-hand side fan support. The FAA is issuing this AD to detect a cracked or broken fan support leg. The unsafe condition, if not addressed, could result in loss of main gearbox and engine oil cooling function, loss of tail rotor drive, and subsequent loss of control of the helicopter.
Affected ADs
None.
Read the original on the Federal Register →
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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