What was found
ECAM ALERT FOR HYD RSVR LO LEVEL, PASSING THROUGH FL 320 FOR FL 350. ACCOMPLISHED ECAM PROCEDURES, ACCOMPLISHED QRH PROCEDURE. GRAVITY EXTENDED LANDING GEAR. EMERGENCY DECLARED AND LANDED. REPLACED THE NR 2 ENGINE GREEN SYS HYD PUMP PRESSURE HOSE ASSY IAW AMM 29-11-32-04-02. SERVICED GREEN SYS IAW AMM: 12-12-29-00. BLED GREEN HYD SYS IAW 29-00-00-04, LEAK CHECKED GOOD AT REPLACED LINE ASSY. FREE FALL EXTENSION RESET IAW AMM 32-33-00-02. OPS CHECKED NORMAL. PERFORMED IDLE ENGINE RUN IAW JRH TO VERIFY GREEN SYSTEM STABLE. ALL CHECKED NORMAL. OK FOR SERVICE.