As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR FLT 4270 CREW REPORTED STRONG FUEL SMELL DURING T/O ROLL WHICH DISSIPATED AFTER THE T/O CHECK. EWR MX INSPECTED THE ENGINES AND APU FOR FUEL LEAKS AND FOUND FUEL RESIDUE ON APU COWLING FROM A FAILED APU START. MX RAN APU AND PACKS FOR 20 MINUTES WITH NO SMELL NOTED. ACFT WAS APPROVED FOR RETURN TO SERVICE.