As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CENTER FUEL BOOST PUMP CIRCUIT BREAKERS POPPED DURING CLIMBOUT. CREW PERFORMED COCKPIT OPERATING MANUAL PROCEDURES AND BREAKERS POPPED AGAIN. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE RESET AFT CENTER FUEL BOOST PUMP CIRCUIT BREAKERS AND RAN PUMPS FOR OVER ONE HOUR WITH NO PROBLEMS.