As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AT 7000 FT, FLIGHT ATTENDANT INDICATED A STRONG GASOLINE ODOR IN REAR OF AIRCRAFT AROUND LAVATORY. RAN PACKS WITH ENGINES, AND APU IAW AMM'S 72-20-00 & 49-10-00, COULD NOT FIND LEAK OR FIND ANY EVIDENCE OF FUEL ODOR. ACFT OK FOR SERVICE.