As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
263 1505-17 BZN-DEN DURING IRREGULAR FUELING OPERATION OF RT MAIN FUEL TANK DUE TO VTO ON MEL , THERE WAS A FUEL SPILL OUT OF RT WING TIP SURGE TANK VENT, LOCAL MAINTENANCE ESTIMATES FUEL SPILL WAS APPROXIMATELY 15 GALS. BZN FIRE DEPARTMENT ACCOMPLISHED CLEAN-UP & CONTAINMENT, NO FUEL ENTERED ANY DRAIN. FUEL WAS TRANSFERRED OUT OF RT MAIN & FILL VALVE CLOSED CORRECTLY.