What was found
AT FL310 WITH FUEL SYSTEM AUTO LVL 2 ALERT "TNK WING OVERFILL". COMPLIED WITH QRH PROCEDURES. WITH FUEL SYSTEM IN MANUAL & CROSS FEED MANIFOLD PRESSURIZED) RECEIVED SAME LVL 2 ALERT "TANK WING OVERFILL". SWITCHED TO AUTO (OPPOSITE CONTROLLER) ALERT WENT OUT & FUEL FAILED TO PUMP FROM AUX TO FILL TANK 1,2 OR 3 WITH AUX FUEL AT 10.5. DUMPED FUEL (90K) & RTN TO KIX. MEL: ACN RELEASED PER MEL/CDL: 28-21-03-02. EXPIRES 26JAN05 MAIN TANK 2 FILL VALVE - INOP CLOSED. KIX: MX REPLACED CRACKED FUEL MANIFOLD ASSY, FUEL SHUT OFF VALVE BODY ASSY AND CONTROLLER ASSY. OPS CHECKED OK PER MM. RETURNED TO SERVICE. .