EASA AD CF-2020-11
Flight Controls — Incorrectly Staked Directional Control Bellcrank Bearing
Canadian Airworthiness Directive CF-2020-11 addresses an issue with incorrectly staked directional control bellcrank bearings on Bell Textron Canada Limited model 429 helicopters, serial numbers 57001 through 57210, 57212 through 57344, 57346 through 57371, 57374 through 57377, and 57380. The directive mandates inspections and corrective actions to ensure proper bearing staking and prevent reduced helicopter directional control. This AD incorporates Bell Alert Service Bulletin 429-19-50, Revision B, dated 19 December 2019.