As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL/EWR - FLT 4271 - CREW REPORTED ''STRONG SMELL OF FUEL AFTER STARTING THE APU IN FLIGHT''. MAINTENANCE CONTROL MEL''D AIRCRAFT PER MEL 49-00-00 PLACARD PLACARD NR 009259. AIRCRAFT RETURNED TO EWR. MAINTENANCE SECURED FUEL LINE AT FUEL FILTER, AND GROUND RUN CHECKED GOOD IAW EMB 145 MM 49-00-00. MEL CLEARED, AIRCRAFT RETURNED TO SERVICE. (M)