As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW OVERHEAT ILLUMINATED, RAN QRH, LIGHT RE-ILLUMINATED. ACFT GROUNDED. COULD NOT DUPLICATE MALFUNCTION. RAN WINDOW HEAT APPROX 45 MINUTES. NO DEFECTS NOTED. HEAT ELEMENT RESISTANCE NOMINAL AT 64 OHMS IAW SSM 30-41-12. PRIMARY & SPARE SENSORS NOMINAL AT 330 OHMS IAW AMM 30-41-21. NO DEFECTS NOTED WITH COIL CORD. SWAPPED TO SPARE SENSOR. OPS CHECKED NORMAL AIW FIM 30-41 TASK 811.