As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT, CREW REPORTED BEING ALERTED BY AN EMERGENCY/PARKING BRAKE ACCUMULATOR PRESS LOW CAS MESSAGE. CREW ELECTED TO RETURN TO THE FIELD, AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. PIT MX SERVICED THE PARKING BRAKE ACCUMULATOR I.A.W. M.M. 12-00-00. AIRCRAFT RETURNED TO SERVICE.