As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT AND COPILOT WINDSHIELD ANT-ICE FOUND WITH INOPERATIVE GRIDS DURING B CHECK. FOUND RELAYS K59 AND K61 WITH POWER TERMINALS CONNECTING WIRING TO THE WINDSHIELDS ARCED CAUSING COMPLETE SEPARATION OF THE TERMINAL STUD FROM THE RELAY.