As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER DEPARTURE OF FLIGHT, THE CREW REPORTED A HYDRAULIC A PUMP AMBER CAS MESSAGE. THE CREW PERFORMED AN AIR-TURN-BACK. THE CREW NEED TO MANUALLY EXTEND THE GEAR AND LANDED SAFELY. MX REPLACED THE A SYSTEM AC HYDRAULIC PUMP AND RETURNED THE AC TO SERVICE. (K)