Superseded. This AD was superseded by AD 2024-16-01. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2000-18-09
Effective 09/28/2000 · Published 09/13/2000
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 412, 412EP, and 412CF Helicopters
Summary
This amendment adopts a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (BHTI) Model 412, 412EP, and 412CF helicopters. This AD requires inspecting the upper left-hand cap angle (cap angle) and adjacent structure for a crack and, before further flight, replacing any cracked cap angle and repairing any crack in the adjacent structure. This AD is prompted by a report of a fatigue crack in a tailboom…