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Airworthiness Directive

AD 2021-05-21: Leonardo S.p.a. (Type Certificate Previously Held by Agusta S.p.A.) Helicopters

Airworthiness Directives; Leonardo S.p.a. (Type Certificate Previously Held by Agusta S.p.A.) Helicopters

Effective
May 7, 2021
Published
Apr 2, 2021
Registered aircraft
1

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

  • Leonardo S P A AB139
  • Only with: Main rotor rotating scissors with lower half scissor spherical bearing P/N 3G6230V00654 installed.
  • Only with: Main rotor rotating scissors with lower half scissor spherical bearing P/N 3G6230V00654 installed.

Applicability

From the AD text
This airworthiness directive (AD) applies to Leonardo S.p.a. Model AB139 and AW139 helicopters, certified in any category, with main rotor (M/R) rotating scissors with a lower half scissor spherical bearing (bearing) P/N 3G6230V00654 installed.

Related ADs

Supersedes or revises AD 2017-23-08.

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