As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WINDOW OVERHEAT LIGHT ILLUMINATED GROUNDED - YES. FOUND WINDOW HEAT POWER LEFT FRONT C/B OUT. DETERMINED C/B COULD BE RESET PER AMM 20-60-01. WINDOW HEAT CONTROL UNITS BITE TEST NML PER FIM 30-41 TASK 801. ETOPS SIGNIFICANT SYSTEM, GROUND VERIFICATION SUCCESSFUL.