What was found
AIRCRAFT WAS NOT GROUNDED: AFTER ENGINE STARTED WITH BOTH CENTER PUMP FUEL SWITCHES IN THE ON POSITION, THE RIGHT CENTER FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. PRIMED PUMP 28-22-41. REPLACED R55 CONTROL RELAY (AALA202506238865) AND K9901 INPUT RELAY ( AALA202506239921), PER SWPM 20-81-16. ALSO REPLACED UFI (AALA202506230465), PER AMM 28-22-99. PUMP TURNED ON PROPERLY OPERATIONAL CHECK GOOD.