What was found
IAH - FLT 0650 - BOTH B-HYDRAULIC SYSTEM PUMP LOW PRESSURE LIGHTS ILLUMINATED WITH A DROP IN HYDRAULIC QUANTITY WHILE IN-FLIGHT TO IAH. HYDRAULIC QUANTITY LOSS CHECK LIST WAS COMPLIED WITH AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND QUICK DISCONNECT COUPLING BROKEN AT THE B-SYSTEM RESERVOIR. THE QUICK DISCONNECT COUPLING WAS REMOVED AND REPLACED. BOTH B-SYSTEM HYDRAULIC PUMPS WERE RUN AND THE FLIGHT CONTROLS WERE OPERATED WITH ALL OPERATIONS CHECKING GOOD. (X)