As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - SMOKE IN THE COCKPIT. CIRCUIT BREAKER FOR INSTRUMENT PANEL MAIN LIGHTING POPPED. INSTRUMENT FLOOD LIGHTS OUT ON CAPTAIN'S SIDE OUT ALSO. SMOKE TRACED TO INSTRUMENT FLOOD LIGHT BALLAST. BALLAST LG16 AND LG17 REPLACED. INSTRUMENT AND FLOOD LIGHTS OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.