As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - DURING CRUISE, CREW NOTED SEVERAL EICAS MESSAGES RELATING TO RIGHT HYDRAULIC QUANTITY, RIGHT HYDRAULIC PUMP, AND RIGHT HYDRAULIC PRESSURE. EMERGENCY DECLARED LANDED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LEAK IN FILTER MODULE AREA OF RIGHT ENGINE PYLON. REPLACED RIGHT ENGINE HYDRAULIC PUMP AND CASE DRAIN/PRESSURE FILTERS. SYSTEM GROUND CHECK NORMAL OPERATION.