As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW DECLARED AN EMERGENCY INTO PHX DUE TO A YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL ECAM MESSAGE. THE AIRCRAFT LANDED SAFELY AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE YELLOW HYDRAULIC SYSTEM HIGH PRESSURE MANIFOLD LEAKING, REPLACED MANIFOLD AND ACCOMPLISHED A SATISFACTORY LEAK CHECK PER AMM 29-13-14.