What was found
AIRCRAFT WAS GROUNDED: DURING CLIMB AND CRUISE, TWICE THE AIRCRAFT HAD AN ABRUPT YAW TO THE LEFT AIRCRAFT ON AUTOPILOT #1. **ORIGINAL REPORT WAS AALA202207292549** MAINTENANCE REPLACED RUDDER YAW DAMPER SERVO ACTUATOR PER AMM 27-26-51. REPLACED RUDDER TRIM ACTUATOR PER AMM 27-22-51. (AALA202208233799) DURING THE TROUBLE SHOOTING OF THIS EVENT MAINTENANCE ALSO FOUND THE #1 FLIGHT AUGMENTATION COMPUTER (FAC) CAUSING A RUDDER TRIM 1 FAULT MESSAGE AND REPLACED IT PER AMM 22-66-34. (AALA202208235283). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.