AD 2003-02-06
Effective 02/10/2003 · Published 01/24/2003
Airworthiness Directives; Bell Helicopter Textron Canada Limited Model 407 Helicopters
Summary
This amendment adopts a new airworthiness directive (AD) for Bell Helicopter Textron Canada Limited (Bell) Model 407 helicopters. This action requires visually inspecting certain tailboom gearbox support castings (castings) for cracks and replacing the tailboom assembly if a crack is found. This amendment is prompted by an incident in which a crack was discovered on the casting that holds the tail rotor gearbox and…