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Fri, Jul 31, 2015

AD: Turbomeca S.A. Turboshaft Engines

AD NUMBER: 2015-13-04

PRODUCT: All Turbomeca S.A. Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, 1S1, 2B, 2B1, 2C, 2C1, 2C2, 2S1, and 2S2 turboshaft engines.

ACTION: Final Rule

SUMMARY: The FAA is superseding airworthiness directive (AD) 2014-19-05 for the products listed above.

AD 2014-19-05 required an initial one-time vibration check of the engine accessory gearbox (AGB) on certain Arriel 1 and Arriel 2 model engines, and repetitive vibration checks for all Arriel 1 and Arriel 2 engines.

This AD was prompted by our determination that we incorrectly identified technical references in AD 2014-19-05. The FAA is issuing this AD to prevent failure of the engine AGB, which could lead to in-flight shutdown and damage to the engine, which may result in damage to the aircraft.

DATES: This AD is effective September 1, 2015.

FMI: AD

 


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