As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 WINDOW HEAT LIGHT INDICATED AN OVERHEAT WHEN SWITCH IS PLACED ON. ACFT GROUNDED. FOUND THE LEFT FWD WINDOW HEAT POWER CIRCUIT BREAKER OUT ON P6-11 PANEL. INSPECTED THE CIRCUIT BREAKER & ASSOCIATED WIRING BEHIND PANEL. INSPECTED WINDOW & CONNECTIONS. NO DEFECTS FOUND, RESET THE CIRCUIT BREAKER IAW AMM 20-60-01, & WINDOW HEAT OPS NORMAL IAW AMM 30-41-00. THE CIRCUIT BREAKER REMAINED CLOSED. GROUND FUNCTIONAL CHECKED GOOD.