What was found
THE HYDRAULIC-B MASTER CAUTION ILLUMINATED WITH ELEC HYD-B LIGHT, FOLLOWED BY AN ENG HYD-B LOW PRESS LIGHT AND WITH THE HYD-B QTY AND PRESS GOING TO ZERO ON FINAL DESCENT. THE ABNORMAL CHECKLIST WAS COMPLETED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE ELECTRIC B-PUMP LINE TO MODULE LEAKING. THE LINE WAS REMOVED AND REPLACED AND LEAK CHECK WAS GOOD.