As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH TO EWR UNABLE TO LOWER LANDING GEAR. HAD HYD 3 LOW PRESSURE WARNING. HYD LEVEL 'O' MANUAL GEAR EXTENSION PERFORMED '3 GREEN' FOUND LEAK COMING FROM 3A PUMP PRESSURE HOSE. PUMP AND HOSE REPLACED, LEAK AND OPERATION NORMAL.