As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A BURNING ODOR IN FLIGHT WHEN THE WINDSHIELD 1 HEAT WAS IN OPERATION. THE ACFT LANDED AT ITS INTENDED DESTINATION WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED WINDSHIELD 1. OPS AND PRESSURIZATION CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.