As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE WINDSHIELD HEAT WAS INOPERATIVE. LT AMBER CAS MESSAGE ILLUMINATED, IMMEDIATELY HAD A BURNING ODOR IN THE COCKPIT. REMOVED AND REPLACED THE LT WINDSHIELD TEMP CONTROLLER. PERFORMED FUNCTIONAL CHECKS IAW AMM 30-41-00. ALL SATISFACTORY.