What was found
DFW - CAPTAIN REPORTED THAT THE AIRCRAFT HAD LOST THE ENTIRE RIGHT HYDRAULIC SYSTEM. PRESSURE DROPPED TO ZERO WITH A SPIKE IN HYDRAULIC QUANTITY. EMERGENCY DECLARED LANDED DFW WITHOUT INCIDENT. MAIN LANDING GEAR DOOR SKIDS DAMAGED DUE TO NO RIGHT HYDRAULIC PRESSURE. REPLACED RIGHT ENGINE DRIVEN HYDRAULIC PUMP, HYDRAULIC RESERVOIR, CASE DRAIN AND PRESSURE FILTERS. REPLACED BOTH LEFT AND RIGHT MLG DOOR SKID. SYSTEM GROUND CHECKED NORMAL OPERATION.