As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS, SMOKE IN COCKPIT FROM THE AUTOPILOT CONTROL PANEL. PANEL WAS HOT. *S/D* AUTOPILOT MODE CONTROL PANEL LIGHT PLATE 5VDC LIGHT BULB BURNED LIGHT PLATE ASSEMBLY. MODE CONTROL PANEL LIGHT PLATE ASSEMBLY REPAIRED AND NEW BULB INSTALLED.