What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS 30 MIN OUT OF DFW AT 340 FUEL SMELL AROUND 2L AND 2R INTERMITTENT- DIVERTED TO MAF, STRONG ENOUGH 1 PAX NAUSIOS, SMELL CAME BACK DURING DESCEN, LANDING AND ON GROUND. EMERGENCY DECLARED. MAINTENANCE ACCOMPLISHED A320 ODOR FUMES INITIAL TROUBLESHOOTING CARD, FLIGHT CREW ACCOMPLISHED ENGINE RUN, COULD NOT DUPLICATE CABIN FUEL ODOR IAW CARD 05-95-70.