As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOT DISCONNECTED IN FLIGHT WITH 'AUTOPILOT FAIL' ON MAP AND 'AP' ON AUTOPILOT CONTROL PANEL. WHEN AP DISCONNECTED, A/C FELT OUT OF TRIM IN ROLL. DISCONNECT OCCURED WITH FO FLYING. MEL 22-11-1A. FOUND PIN 12 AT J2 OF NR 2 AUTO PILOT COMPUTER RACK RECESSED. REPAIRED PIN NR 2 AUTOPILOT. OPS CHECK GOOD IAW MM 22-10-00.