As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNWANTED FUEL TRANSFER INTO CENTER TANK WHILE FUELING WITH CENTER FUEL VALVE CLOSED. APPROXIMATELY 100 LBS OF FUEL RISE PER MIN WITH TRUCK SHOWING 40 PSI NOZZLE PRESSURE. PRESSURIZED FUELING MANIFOLD & FOUND TUBE ASSEMBLY 344N2014-1 RUPTURED INSIDE LT CENTER AUXILIARY THRU FUEL PNL 531BB.