As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, CAPTAIN'S WIND SCREEN BEGAN ARCING, HEAT TURNED OFF AND WINDOW CRACKED 20 SECONDS LATER. REMOVED AND REPLACED L-1 WINDOW PER MAINTENANCE MANUAL 56-11-11. REPLACED L-1 WINDOW HEAT CONTROLLER AND SYSTEM OPERATES NORMAL PER MAINTENANCE MANUAL 30-41-13.