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Transport i lotnictwo · 19/07/1996

Sikorsky Aircraft Issues Airworthiness Directive for S-76B Helicopters to Address Drive Shaft Fatigue Cracks

The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for Sikorsky Aircraft Model S-76B helicopters to address fatigue cracks in the drive shaft, which can cause loss of power to the rotor system and a forced landing, following a report of a crack caused by fretting of a balance weight rivet washer.

Source: Federal Register — Federal Aviation AdministrationOpen original release →