As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI CREW REPORTED FUEL SMELL IN THE CABIN AND COCKPIT. PASSENGER REPORTED THE SMELL AT ROW 8. MAINTENANCE GROUND RUN ENGINES TO CHECK AIR CONDITION SYSTEM FOR FUEL ODOR. NONE WAS DETECTED AT THIS TIME. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY AND AIRCRAFT WAS RETURNED TO SERVICE. (SW21200503049) (K)