As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF RIGHT HYDRAULIC SYSTEM QUANTITY AND PRESSURE OCCURRED AFTER TAKEOFF. CREW DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO DFW. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEAKING HYDRAULIC FLOW CONTROL VALVE. LEAK CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.