AD 2016-12-07
Effective 07/26/2016 · Published 06/21/2016
Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
Summary
We are superseding airworthiness directive (AD) 2010-11-10 for all Turbomeca S.A. Astazou XIV B and XIV H turboshaft engines. AD 2010- 11-10 requires inspection of certain third stage turbine wheels and removal of any damaged wheel. This AD requires expanding the population and frequency of repetitive inspections. This AD was prompted by a report of a third stage turbine wheel crack detected during engine overhaul.…