As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT THE GREEN HYDRAULIC SYSTEM WAS LOOSING QUANTITY AND HAD BEEN SINCE DEPARTING. THE QUANITY WAS CLOSE TO THE AMBER LOW QUANTITY BAND AND THE CREW DID NOT GET AN ECAM WARNING. THE AIRCRAFT DIVERTED WHERE IT LANDED SAFELY. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE GREEN HYDRAULIC SYSTEM PRIORITY VALVE AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 29-11-33-000-001-A.