What was found
ENROUTE, CAPTAINS WINDSHIELD HEAT FAILED- LT WINDSHEILD HEAT CIRCUIT BREAKER POPPED WINDSHIELD CONTROL CAUTION LIGHT ILLUMINATED 5 MIN LATER. RETURNED TO FIELD. LANDING UNEVENTFUL. INSPECTED AND FOUND ARCHING BETWEEN WIRE AT L2 AND WINDOW FRAME. CLEANED TERMINAL END AND WRAPPED WITH FUSION TAPE. REPOSITIONED TERMINAL END AWAY FROM WINDOW FRAME AND SECURED TO TERMINAL BLOCK. OP'S CHECKED IAW AMM TASK 30-41-00-710-802. OP'S CHECKED GOOD. NO OTHER DEFECTS NOTED. ARCHING WAS FOUND ON CAPTAINS WINDOW AT THE TOP AT WIRE L2. CHECK FLIGHT GOOD.