What was found
EWR - FLT 1416 - THE B-SYSTEM HYDRAULIC QUANTITY BEGAN TO DROP ACCOMPANIED BY ILLUMINATION OF THE NR 2 ENGINE HYDRAULIC LOW PRESSURE LIGHT WHILE ON APPROACH TO EWR. THE NR 2 ENGINE HYDRAULIC PUMP WAS TURNED OFF PER 'ABNORMAL' PROCEDURES AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NR 2 ENGINE DRIVEN HYDRAULIC PUMP LEAKING. THE NR 2 PUMP WAS REMOVED AND REPLACED AND LEAK AND OPERATIONAL CHECKS WERE GOOD. (X)