As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ELECTRICAL SMOKE FROM LOWER LEFT CAPTAIN’S INSTRUMENT PANEL. MAINTENANCE INSPECTED AND FOUND VARIABLE POWER TRANSFORMER IN CAPTAINS LEFT SIDE PANEL MELTED. REMOVED TRANSFORMER AND CAPPED WIRES. MAIN INSTRUMENT LIGHTING LT CIRCUIT BREAKER PULLED AND COLLARED. DEFERRED INSTRUMENT FLOOD LIGHTS PER MEL 33-1. AIRCRAFT RETURNED TO SERVICE.