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 INTO DFW DUE TO THE FLIGHT CREW REPORTING A GREEN HYDRAULIC RESERVOIR LOW LEVEL ECAM MESSAGE. THE FLIGHT CREW ACCOMPLISHED A MANUAL GEAR EXTENSION AND LANDED SAFELY IN DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND A BROKEN HYDRAULIC LINE IN THE LEFT-HAND PYLON AND REPLACED IT PER AMM 29-11-04. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.