What was found
(CAN) CREW RECEIVED A #2 HYDRAULIC PUMP CAUTION INDICATION AFTER GEAR RETRACTION ON DEPARTURE FROM YUL. LANDING GEAR WAS SELECTED DOWN AND #2 HYDRAULIC SYSTEM PRESSURE WENT TO 0. FLIGHT RETURNED TO DEPARTURE AIRPORT AND LANDED WITHOUT FURTHER INCIDENT. ALTERNATE GEAR EXTENSION WAS NOT REQUIRED. MAINTENANCE RECTIFICATION: #2 ENGINE DRIVEN HYD PUMP REPLACED IAW AMM 29-10-11. ITEM CHECK SERVICEABLE. AIRCRAFT CYCLES: 65878. HOURS: 60275:02. (TC# 20190408016)