What was found
AIR INTERRUPT, EMER NOT DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CRUISE, CTR FUEL TANK BOOST PUMP BECAME INOPERATIVE. R & R UNIVERSAL FAULT INTERRUPTER RELAY TOP ASSEMBLY FOR CTR FUEL PUMP IAW AMM 28-20-28. PERFORMED OPERATIONAL CHECK. SYS CHECKED NORMAL.