What was found
AT CRUISE RECEIVED "HYD G ENG 1 LO PR", FOLLOWED COM AND TURNED OFF NR 1 ENGINE PUMP. THEN RECEIVED "HYD G ENG 2 LO P", FOLLOWED COM AND TURNED OFF NR 2 ENGINE PUMP. THEN RECEIVED "HYD G RES LO LVL", FOLLOWED COM AND TURNED OFF GREEN ELECTRIC PUMP. DECLARED A YELLOW EMERGENCY, LANDING WAS UNEVENTFUL, PINNED GEAR AND WAS TOWED TO GATE. FOUND NR 2 ENGINE DRIVEN PUMP LEAKING, REPLACED BOTH EDP AND BLED THE SYSTEM AND CHECK OK.