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 AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT AN HYDRAULIC YELLOW ENGINE 2 PUMP LOW PRESSURE ECAM DISPLAYED - THE FLIGHT CREW ACCOMPLISHED THE ECAM PROCEDURES AND LANDED SAFELY AT PHX WITHOUT FURTHER INCIDENT. (OPEN)