As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE FWD WINDOW HEAT SHOWS OVERHEAT. RESET DID NOT HELP. BITE TEST L FWD WINDOW HEAT CTRL SHOWS SENSOR FAULT SEL TO SPARE SENSOR, NO HELP. T/S TO OPEN PRI & SPARE SENSORS. REQ'S WINDOW CHANGE. REPLACED NR 1 WINDOW, OPS CHECK GOOD. OVERHEAT LIGHT DID NOT COME ON DURING TEST, REF MM 56 11 11 400 801.