As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED LEFT AFT FUEL BOOST PUMP CIRCUIT BREAKER TRIPPED. LEFT FORWARD FUEL BOOST PUMP ON PLACARD. EMERGENCY DECLARED RETURNED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. RESET AFT LEFT FUEL CIRCUIT BREAKER AND REPLACED LEFT FORWARD FUEL BOOST PUMP. SYSTEM GROUND CHECKED NORMAL OPERATION.