As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING TYS, THE CREW RECEIVED A RIGHT HAND WINDSHIELD HEAT FAIL CAS MESSAGE. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND THEN CALLED DISPATCH. DUE TO WEATHER SURROUNDING PHL THE CREW DIVERTED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND FORWARD WINSHIELD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 56-00-00.OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.