Transport i infrastruktura · 15/12/1994
Turbomeca Arriel 1 Series Turboshaft Engines: Airworthiness Directive Amendment
The FAA has issued an amendment to an existing airworthiness directive for Turbomeca Arriel 1 series turboshaft engines, requiring modification to the intermediate gear to prevent damage from engine debris following an uncontained engine failure, and to eliminate repetitive chip detector inspections.