As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT, MAINTENANCE REPORTED A STRONG FUEL ODOR NOTED IN THE AFT HALF OF CABIN AFTER ENGINE START. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE FUEL DISTRIBUTION VALVE PER AIRBUS AMM 73-13-43-0401-13. LEAK CHECK GOOD. OPS CHECK GOOD. NO ODOR IN CABIN. ALSO, ACCOMPLISHED J/C 26L00021001, 26L00021003 AND 26L00021004. NO ODORS NOTED IN CABIN.