As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
5 HRS. INTO FLT DURING CRZ LT SIDE WINDOW HEAT OVERHEATED. QRH ACCOMPLISHED. SYS RESET NORMALLY. 41 MIN. LATER DURING DESCENT OVERHEAT CONDITION RE-OCCURRED. GROUNDED - YES. PERFORMED WHCU BITE PER FIM 30-41 TASK 801. LAST 4 FLIGHTS LEGS FAULTED WINDOW SENSOR. SWAPPED LT SIDE WINDOW PRIMARY SENSOR TO ALTERNATE SENSOR PER AMM REF 30-41-00-420-801, OP'S TEST GOOD.