As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVER RIC, THE CAPTAIN CONTACTED MAINTENANCE CONTROL WITH A ELEVATOR HORN HEAT PROBLEM. FLIGHT 4005 DIVERTED TO PIT WHERE MAINTENANCE REPLACED THE ELEVATOR HORN HEAT MAT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 55-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.