Airworthiness directives › 2023-14-07
AD 2023-14-07 Airworthiness Directives; Airbus Helicopters
Models named: EC155B1. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus Helicopters Model EC155B1 helicopters, 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 (EASA) AD 2022-0006R2, dated January 31, 2022 (EASA AD 2022-0006R2).
Unsafe condition
This AD was prompted by reports of failure of the main gearbox (MGB) oil cooling fan hub (fan hub). The FAA is issuing this AD to inspect for cracks on and around the fan hub. The unsafe condition, if not addressed, could result in an undetected loss of lubrication of the MGB or engine and reduced 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