As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT THE RIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. FOLLOWED THE QRH WAITED 3 MIN TURNED THE WINDOW HEAT SWITCH BACK ON AND THE OVERHEAT LIGHT ILLUMINATED AGAIN. GROUNDED - YES. PERFORMED FIM TASK 30-41 TASK 801, RESET FAULT ON WHCU RAN WINDOW HEAT FOR 30 MIN NO FAULTS NOTED