FAA 2020-13-02

Requires inspecting for movement and tightening the torque of the tail rotor plug, the installation of the outboard and inboard faces of the tail rotor duplex bearing, and the condition of the tail rotor plug threads, nut threads, and tail rotor duplex bearing. Depending on the inspection results, this AD requires removing parts from service, reassembling the tail rotor duplex assembly, and reporting information. This AD also prohibits installing a tail rotor duplex bearing unless it has been inspected. Prompted by findings from a preliminary investigation of an accident involving an AW119 MKII helicopter,