What was found
WITH FUEL IN CTR TANKS AND ALL PUMPS OPERATING, RIGHT MAIN FUEL QUANTITY DECREASES. WITH X FEED, L MAIN PUMPS ON AND CENTER ON AND R MAIN OFF, R MAIN QUANTITY STABLE. SUSPECT LOW OUTPUT FROM R CTR WITH FUEL IN CTR TANKS AND ALL PUMPS OPERATING RIGHT MAIN FUEL QUANTITY DECREASES. WITH X FEED L MAIN PUMPS ON AND CENTER ON AND R MAIN OFF R MAIN QUANTITY STABLE. SUSPECT LOW OUTPUT FROM R CTR REPLACED RH CTR BOOST PUMP REF AMM 28-22-41. OPS CHECK GOOD.