As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT CLIMBING THROUGH FL 180, THE AUTO-PILOT FLUTTERED AND DISCONNECTED. A NOTICEABLE BURNING ODOR WAS NOTICED IN THE CABIN. SMOKE WAS NOTED COMING FROM NR 1 FLIGHT COMPUTER. NR 1 FLIGHT COMPUTER FOUND BURNED INTERNALLY. UNIT REPLACED.