We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76C helicopters. This AD requires inspecting the engine collective position transducer (CPT). This AD was prompted by reports of wear of the CPT that has resulted in several One Engine Inoperative (OEI) incidents. The actions of this AD are intended to detect and prevent an unsafe condition on these products.
Document
Airworthiness Directives; Sikorsky Aircraft Corporation
We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-76C helicopters. This AD requires inspecting the engine collective positi...
Legal Citation
Federal Register Citation
Use this for formal legal and research references to the published document.
83 FR 23355
Web Citation
Suggested Web Citation
Use this when citing the archival web version of the document.
“Airworthiness Directives; Sikorsky Aircraft Corporation,” thefederalregister.org (May 21, 2018), https://thefederalregister.org/documents/2018-10581/airworthiness-directives-sikorsky-aircraft-corporation.