Transport i lotnictwo · 12/09/1997
Sikorsky Issues Airworthiness Directive for S-64E Helicopters, Replaces Existing Inspection Requirements
The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for Sikorsky Aircraft-manufactured Model S-64E helicopters, replacing existing inspection requirements for the main gearbox assembly and main transmission oil filter packs. The new directive aims to address issues with cracked plates and prevent failures.