As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE IN FLIGHT, THE (DE-ICE CAUTION) AMBER CAUTION LIGHT ILLUMINATED AND THE GREEN (PROP DE-ICE) WAS FLASHING. AFTER INVESTIGATING THE PROBLEM. THE WIRE THAT WAS PROVIDING HEAT TO THE DE-ICE WAS ALREADY REPLACED. 2 BARE HEATING WIRES ON INTERIOR OF DE-ICER BUNDLES WERE TOUCHING CAUSING A SHORT, THE CAUTION LIGHTS THEN WOULD ILLUMINATE. ONCE WIRE BUNDLE (3E2360-4) WAS REPLACED, THE SYSTEM WORKED CORRECTLY.