As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED HYDRAULIC GREEN RESERVOIR LOW LEVEL AT CRUISE. PER ECAM, TURNED OFF ENGINE 1 HYDRAULIC PUMP AND PTU. VERIFIED ON ECAM HYDRAULIC PAGE FLUID LEVEL IS EMPTY. THE AIRCRAFT LANDED WITHOUT INCIDENT AND WAS TOWED OFF THE RUNWAY. MAINTENANCE VERIFIED GREEN RESERVOIR AT ONE GALLON QUANTITY. REMOVED AND REPLACED ENGINE 1 DRIVEN HYDRAULIC PUMP PER AMM 29-11-51-400-010-A. OPS AND LEAK CHECK GOOD.