What was found
DFW - FLT 1023 - EN ROUTE DFW-BUR - PASSING 7,000 FEET ON CLIMB NOTICED CENTER TANK NOT FEEDING. FOUND FORWARD CENTER FUEL TANK CIRCUIT BREAKER POPPED. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. CIRCUIT BREAKERS WERE CHECK ON PREFLIGHT AND WERE IN BOTH CAPTAIN AND FIRST OFFICER. CHECKED CENTER PUMPS ON PREFLIGHT AND THE CHECK WAS NORMAL. REPLACED BOTH CENTER AFT AND FORWARD FUEL BOOST PUMPS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)