As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE- THE CREW NOTED THAT A STRONG FUEL ODOR OCCURRED WHEN STARTING THE APU. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL. MAINTENANCE REMOVED AND REPLACED THE APU. PERFORMED A OPERATIONAL CHECK OF THE APU, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.