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 INBOUND TO DFW DUE TO A YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL ECAM MESSAGE. FLIGHT CREW ACCOMPLISHED ECAM ACTIONS AND YELLOW HYDRAULIC SYSTEM QUANITY INDICATED ZERO. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND HYDRAULIC FLUID LEAKING FROM THE RIGHT PYLON DRAIN DUE TO A RUPTURED HYDRAULIC LINE IN THE PYLON AND REPLACED THE HYDRAULIC LINE PER EO 2922E003-004.