As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2479, THE CREW REPORTED A STRONG FUEL SMELL AFTER DEPARTURE FROM CLL. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE APU EPA TANK DRAIN PLUG, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.