As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE RIGHT PROPELLER HEAT FAILED. THE FLIGHT CREW RETURNED TO THE FIELD. MAINTENANCE INSPECTED THE SYSTEM AND REPLACED THE RIGHT DATA ACQUISTION UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-42-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.