As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX- EMERGENCY LANDING, FLIGHT CREW HAD ECAM MESSAGE FOR YELLOW HYDRAULIC SYSTEM LOW LEVEL. AN UNEVENTFUL LANDING WAS MADE. IN PHX MAINTENANCE FOUND THE RT NR 2 SPOILER SERVO CONTROL LEAKING. THE SERVO CONTROL WAS REPLACED AND THE YELLOW HYDRAULIC SYSTEM SERVICED. FUNCTIONAL AND LEAK CHECKS WERE GOOD.