As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED RIGHT ENGINE DRIVEN HYDRAULIC PUMP FAILED. RETURNED TO DFW WITHOUT INCIDENT. FOUND RIGHT ENGINE DRIVEN HYDRAULIC PUMP SHAFT SHEARED. REMOVED AND REPLACED RIGHT ENGINE DRIVEN HYDRAULIC PUMP. SYSTEM GROUND CHECKED NORMAL OPERATION.