As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT LOST A-SYSTEM HYDRAULIC PRESSURE AND QUANTITY APPROXIMATELY 10 MINUTES AFTER TAKEOFF. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE A-SYSTEM ELEVATOR CONTROL MODULE AT FAULT. THE ELEVATOR CONTROL MODULE WAS REPLACED. THE NR 1 ENGINE DRIVEN PUMP WAS ALSO REPLACED DUE TO FAILURE. LEAK AND OPERATIONAL CHECKS WERE NORMAL.