As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED IN FLIGHT AND THEN REILLUMINATED AFTER A 5 MINUTE COOL DOWN. GROUNDED - YES. PERFORMED BITE LEFT SIDE WHCU IAW FIM 30-41 TASK 801. NO CURRENT FAULTS ON BITE, AND WINDOW SENSOR FAULT IN HISTORY. REMOVED AND REPLACED LEFT SIDE WHCU PRECAUTIONARY IAW AMM 30-41-11. OPS CKS GOOD.