As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE AUTO-PILOT PITCH TRIM FAILED DURING FLIGHT. THE SYSTEM WAS DEACTIVATED AND PLACED ON MEL 22-10-01-05 FOR CONTINUED OPERATIONS. THE MAINTENANCE TEAM DETERMINED THE NO2 FLIGHT COMPUTER WAS DEFECTIVE AND WAS REMOVED AND REPLACED WITH AN OVERHAULED UNIT. OPERATIONAL CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.