As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH TO DFW DUE TO HYDRAULIC SYSTEM A LOSS OF PRESSURE. FLIGHT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND #1 ENGINE DRIVEN PUMP SEIZED. PREPLACED PUMP PER AMM 29-11-11.