What was found
RIGHT HYDRAULIC SYSTEM PRESSURE WENT TO ZERO. RIGHT HYDRAULIC QUANTITY WENT TO 10 QUARTS FROM 7-8 THAT WAS SHOWING AT TAKEOFF. COMPLIED WITH COM AND LANDED AT MSP WITHOUT INCIDENT. THE AIRCRAFT WAS TOWED TO THE GATE FROM THE TAXIWAY. MAINTENANCE TESTED THE RIGHT ENGINE DRIVEN HYDRAULIC PUMP AND FOUND NO PROBLEMS WERE FOUND. THE WIRING FOR THE PUMP WAS ALSO INSPECTED AND NO TROUBLE WAS FOUND. NO INDICATIONS OF ANY HYDRAULIC SYSTEM FILTERS BEING CLOGGED. RIGHT HYDRAULIC SYSTEM FLUID QUANTITY WAS AT NORMAL OPERATING LEVELS AND NO LEAKS WERE FOUND. THE RIGHT HYDRAULIC SYSTEM PRESSURE INDICATOR WAS REPLACED AS A PRECAUTION. AIRCRAFT OK FOR SERVICE.