As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED MULTIPLE FAILURES OF PITCH AND ROLL MIS-TRIM. PITCH MIS-TRIM EXHIBITED EXTREME PITCH PRESSURES REQUIRING TWO HANDS WHEN DISCONNECTING AUTOPILOT, PUTTING AIRCRAFT IN UNSAFE PITCH UP ATTITUDE. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE NO1 INTEGRATED FLIGHT COMPUTER (ICA) WAS DEFECTIVE. THE DEFECTIVE UNIT WAS REMOVED AND A TESTED UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS THEN RETURNED TO SERVICED.