AD 2015-05-04
Effective 04/20/2015 · Published 03/16/2015
Airworthiness Directives; Bell Helicopter Textron Canada Helicopters
Summary
We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron Canada (BHTC) Model 407 helicopters. This AD requires inspecting the aft fuselage upper skin (upper skin) for a crack and the upper left longeron assembly (longeron assembly) for a crack, corrosion, or defect. This AD requires replacing or repairing a part or section, depending on the inspection's outcome. This AD was prompted by reports…