As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4060 WAS EN ROUTE TO CAE AND HAD AN AIRFOIL DE-ICE FAIL. FLIGHT 4060 WAS IN ICING CONDITIONS AND WAS INSTRUCTED TO RETURN TO PIT FOR MAINTENANCE. MAINTENANCE INSPECTED AND REPLACED THE EJECTOR FLOW CONTROL VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 30-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.