AD 2012-06-24
Effective 05/15/2012 · Published 04/10/2012
Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
Summary
We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. This AD was prompted by the discovery of tail rotor blade assemblies (blades) manufactured with mislocated aluminum wire mesh, leaving portions of the graphite torque tube (spar) region unprotected from a lightning strike. The actions are intended to detect mislocated blade wire mesh and to preven…