AD 2012-23-12
Effective 01/07/2013 · Published 12/03/2012
Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
Summary
We are superseding an existing airworthiness directive (AD) for all Turbomeca S.A. Arriel 1E2, 1S, and 1S1 turboshaft engines. That AD currently requires a one-time inspection and torque check of the 3- way union plug installed on all fuel control units (FCUs). This new AD requires the same actions. This AD also requires reduction of the applicability to certain FCUs and references an updated service bulletin contai…