Airworthiness directives › 2021-19-09
AD 2021-19-09 Airworthiness Directives; Airbus Helicopters
Models named: AS350B, AS350BA, AS350B1, AS350B2, AS350D, AS355E, AS355F, AS355F1, AS355F2. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350D, AS355E, AS355F, AS355F1, and AS355F2 helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2021-0023, dated January 19, 2021 (EASA AD 2021-0023).
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For helicopters with DUNLOP cyclic stick grip manufacturer part number AC66444 with UP/DOWN switches for rescue hoist control installed, before each hoist operation after December 16, 2020 (the effective date of AD 2020-24-03), accomplish a ground test of the UP/DOWN switches for proper function. If there is any uncommanded hoist action, before further flight, remove the DUNLOP cyclic stick grip from service. Accomplishing the modification in paragraph (2) of EASA AD 2021-0023 constitutes terminating action for the requirements of this paragraph. (2) Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, EASA AD 2021-0023.
Unsafe condition
This AD was prompted by the development of a modification of the electrical wiring of the hoist control on the DUNLOP cyclic stick grip. The FAA is issuing this AD to prevent inadvertent activation of the rescue hoist cable cutter and consequent detachment of an external load or person from the helicopter hoist. This condition could result in personal injury or injury to persons on the ground.
Affected ADs
This AD replaces AD 2020-24-03, Amendment 39-21333 (85 FR 76955, December 1, 2020) (AD 2020-24-03).
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