As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE CLIMB FROM GSP, THE CREW RECEIVED AN EMERGENCY PARK BRAKE ACCUMULATOR PRESSURE LOW WARNING MESSAGE. THE CREW COMPLIED WITH THE CHECKLIST, AND RETURNED TO GSP AND LANDED WITHOUT ANY FURTHER PROBLEMS. OUTSTATION MAINTENANCE INSPECTED AND SERVICED THE EMERGENCY PARK BRAKE ACCUMULATOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 12-12-10. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.