As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - EWR - AT CRUISE, THE CREW RECEIVED A GREEN PUMP LO PRESS RVR AND GREEN RESVR LOW LEVEL ECAM MESSAGES. CREW DECLARED AN EMERGENCY AND PERFORMED AN EMERGENCY EXTENSION OF LANDING GEAR. THE LANDING WAS UNEVENTFUL. REMOVED AND REPLACED NR 1 (GREEN) ENGINE DRIVEN PUMP PER AMM 29-11-51 PB 401, OPS LEAK CHECK WAS GOOD.