Airworthiness directives › 2022-06-01
AD 2022-06-01 Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Models named: MBB-BK 117D-3, MBB-BK117 D-2, MBB-BK117 D-3, MBB-BK 117 D-3. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Deutschland GmbH Model MBB-BK 117D-3 helicopters, certificated in any category. Note 1 to paragraph (c) of this AD: Model MBB-BK117 D-2 helicopters that have been converted into Model MBB-BK117 D-3 helicopters are Model MBB-BK 117 D-3 helicopters and this AD is also applicable to those helicopters.
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 Union Aviation Safety Agency (EASA) AD 2021-0160, dated July 5, 2021 (EASA AD 2021-0160).
Unsafe condition
This AD was prompted by reports of a main rotor (M/R) blade lead-lag damper in a tilted position. The FAA is issuing this AD to prevent an unbalance of the M/R system. The unsafe condition, if not addressed, could result in excessive vibration and reduced 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