What was found
ON DESCENT, S/O NOTED ILLUMINATION OF THE NR 1 B-HYDRAULIC ELECTRIC PUMP LIGHT. SHORTLY AFTERWARD, B-SYSTEM QTY BEGAN DROPPING AND WAS AT 0 BY LANDING. UPON LOWERING OF LANDING GEAR, A-SYSTEM QTY SLOWLY DROPPED. THEREAFTER, A-SYSTEM AND BRAKE PRESSURE REMAINED NORMAL. A QTY AT 2.4 GAL. FOUND B-SYSTEM HYDRAULIC LINE FAILURE. LINE WAS REPLACED AND HYDRAULICS SERVICED. NO FURTHER LEAKS WERE NOTED DURING OPERATIONAL CHECKS.