AD 2020-04-21
Effective 03/31/2020 · Published 03/16/2020
Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Bell Helicopter Textron Canada Limited (Bell Canada) Model 429 helicopters. This AD requires inspecting a certain part-numbered curvic coupling for proper engagement and depending on the inspection results, inspecting for play, inspecting the curvic coupling teeth, inspecting the flapping bearing teeth, replacing parts, performing a rigging check, an…