As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2865, DURING DESCENT THE CREW REPORTED A BURNING SMELL IN THE COCKPIT. THE AIRCRAFT LANDED IN IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 WINDSHIELD HEAT CONTROLLER, OPERATIONALLY TESTED WITH NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.