As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. OVERHEAT LIGHT COMES ON IMMEDIATELY WHEN SW GOES TO "ON PORTION". ACCOMPLISHED WHCU BITE PROCEDURE FOR LT FWD WINDOW, FAULTING WINDOW SENSOR REF FIM 30-41, TASK 801. LEFT FWD WINDOW SENSOR HAS OPEN IN IT REF TASK 30-41-21 AND WDM 30-41-11. REPLACED THE LT FWD WINDOW IAW AMM 56-11-11-400-801. OPS CHECK GOOD.