As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2199, "LEFT WINDSHIELD HOT" ILLUMINATED DURING TAXI OUT WITH WINDSHIELD HEAT SELECTED TO NORM. MAINTENANCE MEASURED RESISTANCE OF NORM ON OVERHEAD WINDOW TEMP SENSORS AT WINDSHIELD HEAT CONTROLLER. REPLACED RELAYS 3041-K9 ABD K-. REPLACED CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.