As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. UPON ARRIVAL TO AIRCRAFT ALL WINDOW HEAT WAS OPERATIONAL. PERFORMED WHCU BITE IAW FIM 30-41 TASK 801 AND FOUND A WHCU LRU FAULT IN FAULT HISTORY. PERFORMED FIM 30-41 TASK 807 AND FAULT IS AND WAS NOT ACTIVE. CURRENT BITE CHECKS GOOD EVERY TIME AND POWER TEST IN FIM CHECKS GOOD. PER FIM 30-41 TASK 807 OPS TEST GOOD FAULT CLEAR.