Regulation & law · 16/11/2006

FAA Issues Revised Airworthiness Directive for Turbomeca Turmo IV A and IV C Series Turboshaft Engines

The Federal Aviation Administration (FAA) is revising an existing airworthiness directive for Turbomeca Turmo IV A and IV C series turboshaft engines to require more frequent borescope inspections for certain engines, in an effort to prevent centrifugal compressor intake wheel blade cracks that can lead to engine failure.