As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PASSENGER BOARDING, CAPTAIN SAW SMOKE COMING FROM AROUND RADAR GRAPHICS UNIT, POWERED DOWN AIRCRAFT, SMOKE DISSIPATED. PERFORMED HIDDEN DAMAGE INSPECTION AND DEACTIVATED RADAR GRAPHICS UNIT IAW EO8-24-03-0979. REPLACED RADAR GRAPHICS UNIT.