As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM DAY TO DCA, THE CREW RECEIVED A FLAP CONTROL FAIL, LEFT HAND PUSHER, SHAKER, AND AILERON TRIM CAS MESSAGES. FLIGHT 4058 THEN DIVERTED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE FLAP ACTUATOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.