As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW OVERHEAT CAUTION ILLUMINATED DURING CRUISE AT 37,000 FT. PERFORMED QRH PROCEDURE. LIGHT REMAINED ILLUMINATED. WINDOW WAS HOT TO THE TOUCH. ACFT GROUNDED. TROUBLESHOT SYS AND FOUND WINDOW HEAT POWER LT SIDE CIRCUIT BREAKER OPEN ON LOWER P6 PANEL. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. PERFORMED WINDOW HEAT OPS TEST IAW AMM 30-41-00, OPS NORMAL. WINDOW TEMP STABILIZED AT 100 DEGREES, 105 DEGREES AND CIRCUIT BREAKER REMAINED IN THROUGHOUT TEST.