As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW OVERHEAT LIGHT STAYS ON, RAN QRH. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE PROCEDURE PER FIM TASK 30-41 TASK 801. FOUND P5-9 L/H SIDE FAULT. REPLACED WINDOW HEAT CONTROL UNIT L/H SIDE (M322) PER FIM 30-41 TASK 813. OPS CHECK GOOD. NO FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL.