What was found
YAW ENGAGED, RUDDER TRIM AT 6, WHEN AUTO-PILOT ENGAGED, PLANE YAWED LEFT AND RIGHT HARD MOMENTARILY. REMOVED AND REPLACED F/O'S APC 65B IAW MM 22-10-02. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YAW ENGAGED, RUDDER TRIM AT 6, WHEN AUTO-PILOT ENGAGED, PLANE YAWED LEFT AND RIGHT HARD MOMENTARILY. REMOVED AND REPLACED F/O'S APC 65B IAW MM 22-10-02. OPS CHECK GOOD.