What was found
AIRCRAFT WAS GROUNDED: IN CRUISE, AIRCRAFT WAS HAVING RANDOM UNCOMMANDED, SMALL YET JERKY YAW MOVEMENTS WITH RUDDER PEDALS MOVING SLIGHTLY WITH AUTOPILOT ON. REMOVED AND REPLACED #1 FLIGHT AUGMENTATION COMPUTER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: IN CRUISE, AIRCRAFT WAS HAVING RANDOM UNCOMMANDED, SMALL YET JERKY YAW MOVEMENTS WITH RUDDER PEDALS MOVING SLIGHTLY WITH AUTOPILOT ON. REMOVED AND REPLACED #1 FLIGHT AUGMENTATION COMPUTER.