What was found
F/O AUTO PILOT WENT INTO DESCENT MODE BY ITSELF. CREW DISENGAGED AND HAND FLEW ACFT. REMOVED AND REPLACED NR 2 AUTOPILOT COMPUTER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O AUTO PILOT WENT INTO DESCENT MODE BY ITSELF. CREW DISENGAGED AND HAND FLEW ACFT. REMOVED AND REPLACED NR 2 AUTOPILOT COMPUTER.