What was found
RIGHT CENTER FUEL PUMP INOP, CENTER RT PUMP DID NO OPERATE AFTER START OF RIGHT A/C RETURNED TO BLOCK AND MAINTENANCE GROUNDED A/C.DEFERRED SYSTEM IAW MEL 28-22-2A. FOR DISPATCH . AC FLOWN TO LIM . PERFORMED GROUND FAULT INTERRUPTOR OPS TEST. FOUND RELAY K10696 POPPED. UPON RESET OF RELAY PUMP STILL INOP. (LOW PRESS LIGHT) PER AMM 28-22-00. DI #46402 REMAINS OPEN PERFORMED REACTIVATION OF RIGHT CENTER FUEL PUMP IAW MEL 28-22-2A. OPS CHECK GOOD IAW AMM 28-22-00. THIS CLEARS DI 46402. ACFT REMAINS ETOPS 180. PLACARDS REMOVED. AC RETURNED TO SERVICE