As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT UNIDENTIFIED ODOR POSSIBLY ELECTRICAL NOTED IN AFT PART OF A/C NEAR AFT F/A. UNABLE TO CONFIRM, IDENTIFY, OR LOCATE SOURCE. CHECKED FOR ODOR IN AFT CABIN AREA, NONE FOUND. CHECKED AFT CARGO COMPT AND AFT E/E RACK, NO ODOR DETECTED.