As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FIRE IN COCKPIT ON DESCENT FROM FLIGHT TO AIRPORT. SMOKE EMITING FROM RT DASH BY PROP DE-ICE GAUGE. SMOKE TURNED TO FLAME AND EXTINGUISHER EXERCISED. EXAMINATION REVEALED POST LIGHT PLASTIC BROKEN AND FELL DOWN TO METER. LINE POST LIGHT SHORTED ON METER TERMINAL. POST LIGHT SOCKET PLASTIC HEATED UP AND PLASTIC CAUGHT FIRE.