What was found
THE B-SYSTEM HYDRAULIC QUANTITY DROPPED TO 3/8 FULL IN FLIGHT. THE NR 2 ENGINE B-PUMP LOW PRESSURE LIGHT ILLUMINATED DURING APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 8 FLIGHT SPOILER ACTUATOR LEAKING. THE ACTUATOR WAS REMOVED AND REPLACED IAW MM 27-61-51. THE B-SYSTEM RESERVOIR WAS SERVICED. IN ADDITION, THE NR 2 ENGINE B-SYSTEM HYDRAULIC ENGINE DRIVEN PUMP WAS REMOVED AND REPLACED. LEAK AND OPERATIONAL CHECKS WERE GOOD.