Airworthiness directives › 2021-04-17
AD 2021-04-17 Airworthiness Directives; Airbus Helicopters
Models named: AS350B, AS350BA, AS350B1, AS350B2, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N. 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, AS355F2, and AS355N helicopters, certificated in any category, with a tail rotor (T/R) blade part number (P/N) listed in Appendix 1, Table 1, of European Union Aviation Safety Agency (EASA) AD 2020-0224R1, dated November 11, 2020 (EASA AD 2020-0224R1) (pre-mod 075580).
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, EASA AD 2020-0224R1.
Unsafe condition
This AD was prompted by two reports of debonding of the T/R blade leading edge protection shields. The FAA is issuing this AD to prevent failure of the T/R blade, which could result in loss of tail rotor control and subsequent loss of 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