AD 2013-22-15
Effective 12/13/2013 · Published 11/08/2013
Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters
Summary
We are adopting a new airworthiness directive (AD) for Sikorsky Model S-76A, B, and C helicopters to require certain inspections of each spindle cuff assembly or blade fold cuff assembly for a crack. If there is a crack, this AD requires replacing the cracked part. If there is no crack, this AD requires applying white paint to the inspection area to enhance the existing inspection procedure. This AD was prompted by…