As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED CENTER FUEL WON`T TRANSFER FUEL. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND FORWARD CENTER FUEL BOOST PUMP CIRCUIT BREAKER H21 POPPED. CHECKED FUEL BOOST PUMP AND WIRING PER MM 28-20-07-1. SYSTEM GROUND CHECKED NORMAL OPERATION.