As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE SERVICE CHECK INSPECTION TWO OF THE FOUR PROP DEICE BOOT LEADS WERE FOUND TO HAVE BROKEN AND BURNT GROUND WIRES. THE GROUND WIRES WERE BROKEN IN THE EXACT SAME PLACE AND SHOWED SMALL SIGNS OF BURNT OR SINGED INSULATION AT THE POINT WHERE THE WIRE SEPARATED.