As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A STRONG SMELL OF FUEL STARTING IN REAR OF CABIN THEN MOVING FORWARD AFTER LANDING. POSSIBLY DURING APU START. MAINTENANCE PERFORMED J/C 26L00021001 AND FOUND APU DRAIN TANK FULL. DRAINED TANK PER AMM 49-17-41-000-001-A. RAN BOTH PACKS FOR 30 MINUTES. NO FUEL SMELL NOTED.