As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FORWARD LEFT CAPTAINS WINDOW HEAT OVERHEAT LIGHT ON, SAW A SPARK/FLASH AT TOP RIGHT OF CAPTAINS WINDSHIELD AT CONNECTOR WHEN LIGHT CAME ON. REMOVED AND REPLACED LEFT SIDE COCKPIT WINDOW NUMBER 1 PER JOB CARD 08L21056003.