As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE TAXING AFTER LANDING, THE CREW SHUTOFF WINDSHIELD HEAT ON THE OVERHEAD SWITCH CONSOLE. A FLASH WAS NOTICED AND SPARKS FELL DOWN. MAINTENANCE DISCOVER AN ANTI-ICE POWER FEEDER WIRE HAD ARCED A STRINGER. THE WIRE WAS FOUND STRIPPED OF INSULATION 1.5 CM FURTHER THAN REQUIRED FOR THE CONNECTOR LEAVING IT UNPROTECTED. BOTH WIRES, P253A8 AND P255A8 WERE FOUND IN THE SAME CONDITION.