As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AN ELECTRICAL ODOR WAS PRESENT IN THE COCKPIT DURING FLIGHT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NR 2 WINDSHIELD HEAT CONTROLLER TO BE BURNED. NR 2 WINDSHIELD HEAT CONTROLLER WAS REPLACED AND WIRE FROM THE WINDSHIELD HEAT CONTROLLER TO THE RIGHT WINDSHIELD WAS ALSO REPLACED. OPS CHECKED GOOD WITH NO FURTHER DEFECTS NOTED.