As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT NR 4247 THE CREW REPORTED A STRONG FUEL SMELL EACH TIME THE APU WAS STARTED. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL CHECKS OF APU WITH THE BLEED SYSTEM ON AND NO FUEL SMELL WAS NOTED.THE AIRCRAFT WAS RELEASED FOR SERVICE.