As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW HEAT OVER HEAT LIGHT ILLUMINATED, RAN CHECKLIST, LIGHT REMAINED OUT. ACFT GROUNDED. BITE CHECK OF LEFT SIDE WINDOW HEAT CONTROL UNIT LOGGED 7 SENSOR FAULTS. MOVED TEMP SENSOR FROM PRIMARY TO SECONDARY IAW FIM 30-41/811. ACCOMPLISHED WHCU SYSTEM TEST, CLEARED LEFT SIDE WINDOW FAULT HISTORY. SYSTEM TEST PASSES IAW AMM 30-41-11/501.