As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED A LEFT WINDSHIELD HEAT FAULT DURING CLIMB-OUT. THE MAINTENANCE VENDOR DETERMINED THE LEFT WINDSHIELD WAS DEFECTIVE. THE DEFECTIVE WINDSHIELD WAS REMOVED, AND A NEW GKN WINDSHIELD WAS INSTALLED. OPERATIONAL CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICED.