As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SEEING A SMALL AMOUNT OF SMOKE FROM UNDER COPILOT'S INSTRUMENT PANEL AND SMELLING SOMETHING 'ELECTRICAL' BURNING. UPON INSPECTION, A POST LIGHT WAS FOUND SHORTED. NO CIRCUIT BREAKERS TRIPPED. A VERY THIN SPRING INSIDE THE SCREW ON CONNECTOR BURNED THROUGH AND STOPPED CURRENT FLOW. THIS SPRING APPEARS TO BE A CIRCUIT PROTECTION DEVICE.