What was found
HYD G RSVR LO LVL INFLIGHT DEBRIEFED WITH THE PILOTS. THERE WAS A HYD G RSVR LO LVL ECAM MSG. THEY STATED THE RESERVOIR WAS LOW AND THINKING THERE IS A POSSIBLE LEAK ON THE GREEN SYSTEM. THE PILOTS FOLLOWED THEIR PROCEDURES AND HAD THE LANDING GEAR DOORS MANUALLY DROPPED. TALKED TO TOMC AND THEY STATED THAT IN THE PFR, THERE WAS A E1 GREEN HYD PUMP 1 MSG. R&R GREEN HYDRAULIC RESERVOIR ACCUMULATOR IN REF W AMM 29-11-42, LEAK CHECK GOOD, NO FAULTS NOTED AT THIS TIME.PARTS USED: 31-2912-9-9001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1501252 SN OFF 4711 ACCUMULATOR, HY OFF 31-2912-9-9001 4711 ON 31-2912-9-9001 5816