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Airworthiness Directive

AD 2025-23-07: Main Rotor Transmission Mount

Airworthiness Directives; Airbus Helicopters

Effective
Jan 12, 2026
Published
Dec 8, 2025
Registered aircraft
6

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

  • Only with: AS 332L2 with MGB suspension bar front attachment bolt P/N 332A22-1613-20 or -21, rear attachment bolt P/N 332A22-1614-20, front attachment fitting P/N 332A22-1623-01, rear LH fitting P/N 332A22-1624-02 or -04, or rear RH fitting P/N 332A22-1624-03 or -05 installed; EC 225LP with front attachment bolt P/N 332A22-1613-21 or rear attachment bolt P/N 332A22-1614-20 installed.
  • Only with: AS 332L2 with MGB suspension bar front attachment bolt P/N 332A22-1613-20 or -21, rear attachment bolt P/N 332A22-1614-20, front attachment fitting P/N 332A22-1623-01, rear LH fitting P/N 332A22-1624-02 or -04, or rear RH fitting P/N 332A22-1624-03 or -05 installed; EC 225LP with front attachment bolt P/N 332A22-1613-21 or rear attachment bolt P/N 332A22-1614-20 installed.

Applicability

From the AD text
This AD applies to Airbus Helicopters, certificated in any category, identified in paragraphs (c)(1) and (2) of this AD. (1) Model AS 332L2 helicopters with a main gearbox (MGB) suspension bar front attachment bolt part number (P/N) 332A22-1613-20 or 332A22-1613-21, MGB suspension bar rear attachment bolt P/N 332A22-1614-20, MGB suspension bar front attachment fitting P/N 332A22-1623-01, MGB suspension bar rear left-hand attachment fitting P/N 332A22-1624-02 or 332A22-1624-04, or MGB suspension bar rear right-hand attachment fitting P/N 332A22-1624-03 or 332A22-1624-05 installed. (2) Model EC 225LP helicopters with MGB suspension bar front attachment bolt P/N 332A22-1613-21 or MGB suspension bar rear attachment bolt P/N 332A22-1614-20 installed.

Related ADs

Supersedes or revises AD 2020-06-12.

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