As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT THE FLIGHT CREW RECEIVED A EMERGENCY PARKING BRAKE ACCUMULATOR PRESSURE WARNING MESSAGE. THE FLIGHT CREW FOLLOWED THE QUICK REFERENCE HANDBOOK PROCEDURES TO EXTINGUISH THE MESSAGE BUT IT REAPPEARED. THE FLIGHT CREW RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND OPERATIONALLY CHECKED THE EMERGENCY PARKING BRAKE IN ACCORDANCE WITH DORNIER MAINTENANCE 29-21-05, OPERATIONAL CHECK WAS COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.