What was found
EWR - FLT 518 - THE ACFT LOST 'A' SYSTEM HYDRAULICS ON APPROACH WITH THE NR 1 PUMP LOW PRESSURE LIGHT FLICKERING ON AND OFF. THE GEAR AND FLAPS WERE EXTENDED USING ALTERNATE MEANS AND THE ACFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE HYDRAULIC PRESSURE LINE AT 'A' SYSTEM MODULE LEAKING. THE HYDRAULIC PRESSURE LINE WAS REPLACED AND LEAK CHECK WAS GOOD. (W)