As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR SELECTED TO UP POSITION, CAS MESSAGE 'HYD VLUME LOW A'. THE HYDRAULIC QUANTITY DROPPED TO ZERO, FOLLOWED BY 'HYD PTU FAIL' CAS MESSAGE. EMERGENCY WAS DECLARED. DIVERTED TO KMSY. LANDING AND BRAKING WERE UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED A RUPTURED RIGHT MLG ACTUATOR RETRACT HOSE. GEAR SWINGS WERE PERFORMED AND SYSTEM BLED. AIRCRAFT WAS RETURNED TO SERVICE.