As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 3112 - AFTER DEPARTURE, A STRONG SMELL OF FUEL WAS NOTED, ISOLATED TO THE RIGHT BLEED. AIRCRAFT RETURNED TO DTW WITH NO INCIDENTS. MAINTENANCE REMOVED AND REPLACED RIGHT ACCESSORY GEARBOX O-RINGS. SECURITY AND LEAKS CHECKS GOOD. (X)