As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCO - FLT 1864 - FOUND AUTOPILOT DFGC ON NR 1 HAS ERRATIC JERKING PITCH CONTROL ESPECIALLY NOTICEABLE IN CLIMB/DESCENT. REVIEWED THE FLT MEMORY LOGS ON THE NR 1 DFGC SYSTEM AND DETERMINED ATTITUDE SENSOR FAULTS ON SEVERAL FLIGHT LEGS. REMOVED AND REPLACED THE VERTICAL NR 1 VERTICAL GYRO, OPS CHECK GOOD. (M)