AD 2021-04-12
Effective 04/12/2021 · Published 03/08/2021
Airworthiness Directives; Robinson Helicopter Company Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R66 helicopters. This AD was prompted by reports of tail rotor (T/R) drive shaft forward hanger bearing failures. This AD requires installing a certain part numbered kit and removing parts from service or replacing a certain part- numbered T/R drive shaft assembly. This AD also prohibits the installation of certai…