As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CIRCUIT BREAKER FOUND OPEN WHEN LEFT SIDE WINDOW HEAT SWITCH TURNED ON. ACFT GROUNDED. NO HISTORY OF FAULT LAST 120 DAYS. INSPECTED THE LT WINDOW & ELECTRICAL CONNECTIONS, NO DEFECTS NOTED. INSPECTED THE LT SIDE WINDOW HEAT POWER CIRCUIT BREAKER ON P6-12 PANEL AND ASSOCATED WIRING, NO DEFECTS. RESET CIRCUIT BREAKER IAW AMM 20-60-01 & PERFORMED WINDOW HEAT GROUND FUNCTIONAL CHECKS IAW FIM 30-41, TASK 801. CHECKED GOOD. CIRCUIT BREAKER REMAINED CLOSED.