What was found
EUG - DURING FLIGHT 2450 (SBA-PDX), RECEIVED A NR 2 HYDRAULIC LOW PRESSURE WARNING MESSAGE FOLLOWED BY SPOILERS AND SPOILERON CAUTION MESSAGES. QUANTITY OF HYDRAULICS FOR NR 2 SYSTEM SHOWED ZERO. DIVERTED TO EUG AND ACCOMPLISHED UNEVENTFUL LANDING. MAINTENANCE FOUND A LEAK COMING FROM THE PRESSURE MANIFOLD OF NR 2 SYSTEM (DELTA P FITTING) FOUND CONTAMINATION IN THE FILTERS. REPLACED FILTERS, NR 2 ENGINE DRIVEN HYDRAULIC PUMP AND PRESSURE MANIFOLD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.