What was found
STA SFS - APPROX 1 HOUR INTO CRUISE, ECAM REPORTED GREEN HYD SYS RESERVOIR LOW OVERHEAD AND SYS PAGE AGREED. ACCOMPLISHED PROCEDURE, SHUT DOWN GREEN SYSTEM. MANUALLY EXTENDED GEAR. CHECKED AND FOUND HYD GREEN SYS GREEN ELECTRO HYD SELECTOR FITTING LEAKING. REMOVED AND REPLACED PACKING (O-RING), LEAK CHECKED OK. RESET OF SYSTEM NORMAL OPERATING CONDITION ON MANUAL EXTENSION PER MM 32-33-00, PG 18.