Airworthiness directives › 2021-12-05
AD 2021-12-05 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 Airbus Helicopters Model EC155B1 helicopters, certificated in any category, all serial numbers manufactured before June 30, 2015, and equipped with a pilot or co-pilot door jettisoning system in accordance with Airbus Helicopters modification POST MOD 0752C05, except helicopters on which Aircraft Maintenance Manual (AMM) task 52-11-00-712 was accomplished on both pilot and co-pilot doors since the last crew door installation.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD 2015-0157, dated July 30, 2015 (EASA AD 2015-0157).
Unsafe condition
This AD was prompted by a report of difficulties when jettisoning the co-pilot door during non-scheduled maintenance. The FAA is issuing this AD to address jamming of the affected door jettisoning mechanism, which could reduce the ability of the flightcrew to evacuate in the event of an emergency situation.
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