As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED RIGHT HYDRAULIC SYSTEM QUANTITY LOSS. EMERGENCY DECLARED FLIGHT LANDED DFW WITHOUT INCIDENT. DETERMINED A LARGE LEAK IN THE TAIL AREA. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT SYSTEM SPOILER ROTARY GROUND SHUT OFF VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.