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 ILLUMINATES WHEN SWITCH PLACED ON. GROUNDED - YES. PERFORMED LEFT SIDE WINDOW HEAT CONTROLLER BITE IAW B737-800 FIM 30-41 TASK 801. FOUND WINDOW SENSOR FAULT. REMOVED AND REPLACED L/H #2 SLIDER WINDOW REF B737-800 AMM 56-12-11-400-801. OPS CHECK GOOD. RECONFIGURED TERMINAL FROM NO. 1 TO 3 IAW B737-800 WDM 30-41-12.