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Airworthiness Directive

AD 2013-20-51: AgustaWestland S.p.A. (Agusta) Helicopters

Airworthiness Directives; AgustaWestland S.p.A. (Agusta) Helicopters

Effective
Oct 25, 2013
Published
Oct 25, 2013
Registered aircraft
2

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Aircraft

  • Agusta S P A A109K2
  • Only with: With a tail rotor drive shaft flexible disc coupling (Thomas coupling) nut P/N MS21042L4 installed.
  • Only with: With a tail rotor drive shaft flexible disc coupling (Thomas coupling) nut P/N MS21042L4 installed.

Applicability

From the AD text
This AD applies to the following Agusta S.p.A. (Type certificate currently held by AgustaWestland S.p.A) (Agusta) helicopters, with a tail rotor drive shaft flexible disc coupling (Thomas coupling) nut, part number (P/N) MS21042L4, certificated in any category: (i) Model A109A, A109A II, A109C, A109E, A109S, A109K2, AW109SP helicopters; and (ii) Model A119 and AW119 MKII helicopters.

Read the AD in the Federal RegisterReport an error on this page