As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO ATL DUE TO FUEL ODOR IN CABIN AND FLIGHT DECK. PERFORMED BOROSCOPE OF LT AND RT ENGINES, INSPECTED APU DUCTS FOR OIL, COMPLETED ENGINE RUNS AND SMOKE/FUME INSPECTIONS AND REPLACED CABIN RECIRCULATION FILTERS. NO DISCREPANCIES NOTED AND NO ODORS PRESENT, OPS CHECK GOOD.