As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FUMES WERE NOTED IN THE AFT RT PORTION OF THE PASSENGER COMPARTMENT. NOTED TO BE STRONG, SO DIVERTED TO HAVE IT CHECKED. MAINTENANCE REMOVED HAD BIN AND FUEL VALVE ACCESS PANEL. WITH BATTERY POWER ON, BOOST PUMPS RUNNING AND FUEL VALVE OPEN NOTED HEAVY FUEL DRIP ALMOST STREAMING FOR HMU CASE DRAIN. ENGINE PAN ACCUMULATING FUEL AND SEEPAGE CAUSING VAPORS IN HAT BIN AREA. REMOVED UNSERVICEABLE HMU, PART ON ORDER.