As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1564 - DURING CRUISE EN ROUTE NR 2 HYDRAULIC QUANTITY AND PRESSURE WENT TO ZERO. EXTENDED LANDING GEAR USING EMERGENCY HANDLE. LANDED DFW WITHOUT INCIDENT. REPLACED RIGHT ENGINE HYDRAULIC PUMP AND FILTERS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)