What was found
WHILE DESCENDING TO PSC, "BRAKE FAILED" CAS MESSAGE APPEARED. PILOT INFORMED TOWER ABOUT ISSUE & ASKED TO GO AROUND. WHILE GOING AROUND PILOT FOLLOWED CHECKLIST FOR "BRAKE FAILED", THEN A "LOW HYDRAULIC LOW PRESSURE" CAS MESSAGE APPEARED, PILOT FOLLOWED CHECKLIST FOR THE SECOND CAS MESSAGE. PILOT REQUESTED EMERGENCY VEHICLE & TOW TUG ON STANDBY THE RUNWAY. UPON LANDING PILOT USED EMERGENCY BRAKE TO STOP THE AIRCRAFT, AFTER STOPPING THE AIRCRAFT SAFELY. THE AIRCRAFT GOT TOWED AWAY FROM THE RUNWAY.