As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CMH - FLT 4103 - EN ROUTE FROM CMH TO IAD CREW REPORTED THAT THE FIRST OFFICER'S WINDSHIELD HEAT FAILED. AIRCRAFT DIVERTED TO PIT, WHERE MAINTENANCE REPLACED THE NR 2 WINDSHIELD HEAT CONTROLLER IAW MM 30-42-00. GROUND CHECKED 'GOOD'. AIRCRAFT RETURNED TO SERVICE. PART TOTAL CYCLES, 88.