As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL WAS LEAKING ONTO THE GROUND FROM THE RUBBER DRAIN TUBE OUT OF THE LOWER COWL AND WOULD NOT STOP UNTIL FUEL SELECTOR WAS TURNED TO THE OFF POSITION. REMOVED RUBBER DRAIN HOSE FROM PUMP AND FUEL WAS VISIBLY DRIPPING FROM PUMP DRAIN WHEN FUEL SELECTOR WAS TURNED TO LEFT OR RIGHT POSITION.