As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 FWD WINDOW OVERHEAT TURNED OFF FOR 7 MINUTES THEN BACK ON AND STILL ILLUMINATES. ACFT GROUNDED. PERFORMED FIM TASK 30-41 TASK 801, COULD NOT FIND FAULT FOR WINDOW HEAT CONTROL WHCU. REMOVED AND REPLACED R1 WINDOW IAW AMM 56-11-11. OPS AND LEAK CHECKED GOOD.