AD 2020-15-17
Effective 09/09/2020 · Published 08/05/2020
Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Sikorsky Aircraft Corporation Model S-76C helicopters. This AD was prompted by reports of inaccurate main gear box (MGB) indications in flight. This AD requires updating the remote data acquisition unit (RDAU) software and re-identifying the RDAU and, for certain helicopters, updating the software of the display unit (DU) and re- identifying the DU.…