As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2019 - CREW REPORTED THAT THE FIRST OFFICER'S WINDSHIELD HEATER WAS SPARKING IN FLIGHT. THE WINDSHIELD HEAT WAS DEACTIVATED UNDER MEL 30-42-02 AND THE AIRCRAFT RELEASED TO SERVICE. AFTER FLIGHT 2842 ON 11/25/2003, MAINTENANCE REMOVED AND REPLACED THE WINDSHIELD, OPERATIONALLY CHECKED THE WINDSHIELD HEATING SYSTEM AND REMOVED THE WINDSHIELD HEATING SYSTEM FROM MEL.