As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW SMELLED A KEROSENE ODOR IN THE CABIN AFTER TURNING ON THE APU BLEED AND RIGHT PACK ON HIGH. MAINTENANCE ACCOMPLISHED JOB CARD 03L00021001, "737 TROUBLESHOOT CABIN ODOR". REPLACED BOTH RECIRC FILTERS PER JOB CARD 03L00021001. NO FUEL ODORS DETECTED. AIRCRAFT OK FOR SERVICE.