What was found
AIRCRAFT WAS NOT GROUNDED: WITH FUEL IN CENTER TANK, RT CENTER PUMP IS CYCLING EVERY 10 SECONDS, KEEPING RT WING TANK FULL AT 13740, CLOSE TO OVERFULL. NOT LETTING WING BURN DOWN TO 550`S AS NORMAL. MAINTENANCE REPLACED FUEL LEVEL SENSING CONTROL UNIT FLSCU, RELAYS 8QL & 10QL IAW AMM 28-46-34, ESPM 20-46-50 AND 28-26-51-400-001A. A SATISFACTORY OPS CHECK WAS ACCOMPLISHED.