What was found
ORD - INFLIGHT DURING CLIMB RECEIVED FUEL INBALANCE EICAS MESSAGE. FUEL WAS 2500 POUNDS HEAVIER IN RIGHT HAND MAIN TANK. FUEL WAS THEN BALANCED. ON LANDING RIGHT HAND MAIN TANK SHOWED 1500 POUNDS LESS THAN LEFT HAND MAIN TANK. REPLACED RIGHT HAND MAIN TANK DISCHARGE CHECK VALVE, MOTIVE FLOW VALVE, AND SCREEN VALVE. ALSO REPLACED RIGHT HAND AFT BOOST PUMP. SYSTEM GROUND CHECKED NORMAL OPERATION.