Airworthiness directives › 2021-20-17
AD 2021-20-17 Airworthiness Directives; Leonardo S.p.a. Helicopters
Models named: AW169, AW189. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Leonardo S.p.a. Model AW169 and AW189 helicopters, certificated in any category.
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 2020-0197, dated September 10, 2020 (EASA AD 2020-0197).
Unsafe condition
This AD was prompted by a report of an accident of a Model AW169 helicopter, which was observed to have lost yaw control prior to the accident. The FAA is issuing this AD to address failure of the tail rotor servo-actuator (TRA) feedback lever. This condition could result in loss of tail rotor control and subsequent loss of control of the helicopter.
Affected ADs
This AD replaces Emergency AD 2018-23-52, Product Identifier 2018-SW-093-AD, dated November 8, 2018 (Emergency AD 2018-23-52).
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