As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT SIDE WINDOW OVERHEAT AT 360, FOLLOWED QRH LIGHT ILLUMINATED AGAIN AFTER 5 MIN IAW CHECKLIST. ACFT GROUNDED. OPERATED WINDOW HEAT FOR MORE THAN 1 HR AND COULD NOT DUPLICATE. R & R WINDOW HEAT CONTROLLER, CHECKED RESISTANCE OF WINDOW HEAT FILM AND FOUND IT WITHIN LIMITS REF AMM 30-41-21. REPLACED WINDOW HEAT CONTROLLER, WINDOW HEAT GROUND VERIFICATION TEST. OPS CK GOOD REF AMM 30-41-00.