As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A VERY STRONG ODOR OF RAW FUEL DURING TAKEOFF BUT STATED THAT THE FUMES DISSIPATED QUICKLY AFTER TAKEOFF. THE ODOR WAS THROUGHOUT THE CABIN AND ONLY OCCURED WHEN APU BLEED IS ON. MX REPLACED THE APU FUEL CONTROL FLANGE GASKET (O-RING) IAW CPT 49 MM, NO LEAKAGE NOTED DURING FUNCTIONAL CHECK.