What was found
AIRCRAFT WAS NOT GROUNDED. DURING CRUISE FLIGHT CREW RECEIVED A FUEL IMBALANCE EICAS MESSAGE AND ACCOMPLISHED THE FUEL IMBALANCE CHECKLIST. SUBSEQUENTLY EICAS MESSAGES LEFT FORWARD FUEL PUMP, LEFT AFT FUEL PUMP AND FUEL CROSSFEED WERE RECEIVED AND FUEL CONTINUED TO FEED FROM THE CENTER TANK. CENTER FUEL PUMPS WERE DEACTIVATED AND THE FUEL IMBALANCE CORRECTED. MAINTENANCE RESET THE FUEL CROSSFEED VALVE CIRCUIT BREAKER AND ACCOMPLISH CROSSFEED VALVE TEST IAW DMC-B787-A-28-22-04 AND OPERATIONAL CHECK. SYSTEM CHECKS NORMAL. CORRECT TIMES/CYCLES