As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE MAINTENANCE WAS TROUBLESHOOTING A PROP DEICE CAUTION LIGHT SNAG, EVIDENCE OF ARCHING AND DAMAGE WAS DISCOVERED WITHIN ELECTRICAL CONNECTOR 2421-P5-2, PIN D PROPELLER ANTI-ICING SYSTEM. THE CONNECTOR HAS BEEN REPLACED, FUNCTION CHECKS CARRIED OUT AND THE AIRCRAFT RETURNED TO SERVICE.