As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GASOLINE ODOR IN AFT CABIN AT WAKE UP. TRANSFERRED FUEL FROM OUTER WINGS TO CENTER AND OUT TO WINGS. PULLED FLOORBOARDS ABOVE CENTER TANK. USED BORESCOPE AND FOUND NO LEAKS. USED SNIFFER IN AREA, NO READINGS. RAN PACKS FROM APU TO ENGINES. INSPECTED AIR, APU AND ENGINE INLETS. TOPPED OFF ALL TANKS AND RAN ENGINES AT TAKE-OFF POWER. NO FUEL ODORS NOTED AT THIS TIME.