As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS IN MID AND AFT CABIN AS WELL AS PASSENGERS SMELLED RAW GAS ODOR / FUMES JUST AFTER ENGINE SHUT DOWN AT GATE. ALL DOORS WERE CLOSED - APU AND PACKS WERE ON. MAINTENANCE FOUND NR 2 ENGINE FUEL FLOW DIVIDER VALVE BAD. REPLACED VALVE IAW AIRBUS MAINTENANCE MANUAL 73-13-43-400.