As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO DFW DUE TO AN ECAM MESSAGE FOR GREEN HYDRAULIC SYSTEM LOW PRESSURE. AN EMERGENCY WAS DECLARED, THE CREW ACCOMPLISHED A GRAVITY GEAR EXTENSION, FLAP 3 LANDING. AT DFW. THE AIRCRAFT LANDED SAFELY AND TAXIED TO THE GATE. MAINTENANCE REPLACED THE #1 ENGINE DRIVEN HYDRAULIC PUMP AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 2--11-51.