Airworthiness Directive

AD 2009-26-07: Turbomeca Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, and 1S1 Turboshaft…

Airworthiness Directives; Turbomeca Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, and 1S1 Turboshaft Engines

Effective: Jan 12, 2010
Published: Dec 28, 2009
Registered aircraft: 282

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.

Engines

TURBOMECA ARRIEL 1A1
TURBOMECA ARRIEL 1A2
TURBOMECA ARRIEL 1B
TURBOMECA ARRIEL 1C
TURBOMECA ARRIEL 1C1
TURBOMECA ARRIEL 1C2
TURBOMECA ARRIEL 1D
TURBOMECA ARRIEL 1D1
TURBOMECA ARRIEL 1E2
TURBOMECA ARRIEL 1K1
TURBOMECA ARRIEL 1S
TURBOMECA ARRIEL 1S1

Serial numbers per Figure 1 of Turbomeca Mandatory Service Bulletin No. A292 72 0825, Version B. Only with: Engines modified by Turbomeca Modification TU332 and fitted with a reduction gearbox (module M05) listed by serial number in the MSB.
Only with: Engines modified by Turbomeca Modification TU332 and fitted with a reduction gearbox (module M05) listed by serial number in the MSB.

Applicability

From the AD text

This AD applies to Turbomeca Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, and 1S1 turboshaft engines if modified by Turbomeca Modification TU332 and fitted with a reduction gearbox (module M05) as listed by serial number in Figure 1 of Turbomeca Mandatory Service Bulletin (MSB) No. A292 72 0825, Version B, dated October 6, 2009. These engines are installed on, but not limited to, Eurocopter France AS350B, AS350BA, AS365N, AS350B1, AS350B2, Eurocopter Deutschland GmbH MBB-BK117-C1, Agusta A109K2, and Sikorsky S-76A+, S-76A++ and S-76C helicopters.

Related ADs

Supersedes or revises AD 2009-12-51.

Read the AD in the Federal Register Report an error on this page