What was found
WINDSHIELD HEAT SPARKED FROM TOP GROUNDING BLOCK. LIGHT SMOKE AND CAUTION MESSAGE. RAN QRH AND MESSAGE PERSISTED. (FLIGHT 5136) FOUND TO BE THAT THE PILOT'S PERSONAL SUNSCREEN MADE CONTACT WITH THE TERMINALS AND TRIPPED THE BREAKER. RESET THE WINDSHIELD HEAT BREAKER. PERFORMED OPS CHECK OF THE PILOT'S WINDSHIELD HEAT OPS CHECK GOOD AT THIS TIME.IN REFERENCE WITH AMM 30-41-01. PERFORMED GVI OF THE WINDSHIELD NO DEFECTS NOTED AT THIS TIME. ACFT GOOD FOR SERVICE.