As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ODOR OF JET FUEL WHEN TRANSITIONING TO APU BLEED AS PACK SOURCE AFTER LANDING. DISSIPATES WITHIN A COUPLE OF MINUTES. MC NOTIFIED. TURNED OFF PACKS FOR 5 MINUTES. RESUPPLIED CONDITIONED AIR TO THE AIRCRAFT IAW AMM 21-00-00. COULD NOT DUPLICATE SMELL OF FUEL.