As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE CREW EXPERIENCED AN ELEVATOR TRIM FAST CAS MESSAGE AND RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE 55CC RELAY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.