What was found
AT 31,000FT THE, B, LOW QUANTITY LIGHT ILLUMINATED IN FLIGHT, SYSTEM QUANTITY SHOWED 1.25 GALLONS, PILOT PERFORMED THE QRH FOR LOSS OF, B, SYSTEM HYDRAULICS, AND DIVERTED TO CEDAR RAPIDS IOWA.FOUND PRESSURE LINE NR6 SPOILER CHAFFED THRU, REPLACED HARD LINE WITH COMPATABLE FLEX HOSE. SERVICED HYDRAULICS LEAK AND OPS CHECKED NORMAL.