As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 WINDSHIELD OVERHEAT LIGHT ILLUMINATED. VERIFIED FAILURE SENSOR (TEMP) FAULT ON WINDOW HEAT CONTROL UNIT. BOTH SENSORS FOR LEFT FRONT WINDSHIELD READ OPEN AT WINDOW. WINDOW REMOVED PER MM 56 11 11 000 801. INSTALLED NEW L1 WINDSHIELD GROUND VERIFICATION SUCCESSFUL REF MM 56 11 11.