Superseded. This AD was superseded by AD 2020-12-10. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2011-12-08
Effective 07/05/2011 · Published 06/17/2011
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP Helicopters
Summary
This amendment adopts a new airworthiness directive (AD) for the specified Bell Helicopter Textron, Inc. (BHT) model helicopters with tail rotor (T[sol]R) blades with certain serial numbers installed. This action requires a one-time inspection of the T[sol]R blade for corrosion or pitting, and repairing or replacing the T[sol]R blade, if that condition is found during the inspection. This amendment is prompted by a…