As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LP 148350 ITEM 1: ODOR EVENT ON DESCENT INTO MCO. NO APU USED. STARTED IN REAR CABIN. CORRECTIVE ACTION: REMOVED AND REPLACED RECIRCULATION FILTER CARTRIDGE IAW AMM 21-21-41-400-001-A. NO DEFECTS NOTED AT THIS TIME. AMM 21-21-41-400-001-A