As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAINS AUTOPILOT DOES NOT CAPTURE GS WITH APPR MODE. CAPTAIN'S AUTOPILOT FAILED WITH AILERON SERVO FAILURE. REPLACED PUSHED OUT PIN 44 ON J3 OF PILOT'S AUTOPILOT COMPUTER RACK. CAPTAIN`S AUTOPILOT OPS CHECK GOOD IAW MM 22-10-00. TESTED AILERON SERVO WITH BOTH CAPT'S AND F/O'S AUTOPILOT. COULD NOT DUPLICATE DISCREPANCY. BOTH AUTOPILOTS AND AILERON SERVO OPS CHECKS GOOD IAW MM 22-10-00.