As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING, F/A'S NOTIFIED CA THAT THEY SMELLED AN ODOR ON DESCENT, ASSING FL100 IN THE BACK OF CABIN LASTED APPROX. 5 MINUTES. REMOVED AND REPLACED NR 1 AND 2 RECIRC FILTERS IAW AMM 21-21-41. INSPECTED APU FOR SIGNS OF LEAKS OR OVERFILL. NO FAULTS FOUND. PERFORMED PACK BURN OUT IAW AMM 21-00-00. NO ODOR IN CABIN NOTED.