As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JET FUEL SMELL COMING INTO AIRCRAFT FROM THE AIR VENTS. MORE PROMINENT FROM THE OVERHEAD COLD AIR VENTS THAN THE CONDITIONED / HEAT VENTS. NO SMELL PRESENT IN LUGGAGE COMPARMENT OR TAIL CONE ACCESS AREA. NO FUEL NOTED PUDDLING UNDER AIRCRAFT. WAS TROUBLESHOT AND FOUND TO BE THE APU BLEED AIR SYSTEM CAUSING THE FUEL SMELL AND THE APU BLEED AIR HAS BEEN SUBSEQUENTLY BEEN MEL'D.