As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB HAD GREEN HYDRAULIC FAILURE. AIRCRAFT RETURNED TO PHX, CREW DECLARED AND PREPARED CABIN FOR EMERGENCY. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE GROUND LEAKAGE MEASUREMENT MODULE LEAKING. REMOVE AND REPLACED THE GROUND LEAK MEASUREMENT MANIFOLD IAW AIRBUS MM 29-19-41-04. LEAK MEASUREMENT MANIFOLD WAS B.E.R.