What was found
SHIP 3319 AFTER PUTTING FLAPS + GEAR DOWN FOR LANDING, GOT "HYD G RES LOW LEVEL" ECAM. WENT AROUND AND ECAM WENT AWAY WITH FLAP RETRACTION. ON SECOND APR, DID NOT RECEIVE ECAM, AFTER LANDING "HYD G RESEVOIR UNDERFILLED". CORRECTIVE ACTION: DID NOTICE LEAK FROM YELLOW SYS FLAP PCU MOTOR. R/R O-RING ON YELLOW SYS FLAP PCU MOTOR PER A330 AMM 27-54. FOUND LEAK ON ENG #1 GREEN SYS EDP PRESSURE LINE. R/R EDP HP01 HOSE PER A330 AMM 29-11. NO LEAKS NOTED, HYD QUANTITY SVC TO FULL. (8007877)