As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2023 - AFTER TAKEOFF, THE CREW NOTICED A FUEL SMELL WITH THE APU RUNNING THE AIR CONDITIONING PACKS. MAINTENANCE PERFORMED SYSTEM CHECKS OF THE APU BLEED SYSTEM AND AIR CONDITIONING PACKS. THE DISCREPANCY COULD NOT BE DUPLICATED AND THE DISCREPANCY WAS CLEARED.