As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1104 - EN ROUTE LAS-DFW - DETECTED DECREASE RIGHT SIDE HYDRAULIC QUANTITY. RIGHT SIDE HYDRAUILC SYSTEM SHUT OFF WITH A QUANTITY OF FOUR QUARTS. LANDED WITHOUT FURTHER INCIDENT. RE-SECURED PLUG AT RIGHT SIDE RUDDER SHUTOFF VALVE. NO LEAKS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)