As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#383, JFK-MCO. 'CABIN ODOR EVENT; COMPLIED WITH INFO NOTICE 2017-T015 B2. IDENTIFIED ODOR TO BE ( TRANSIENT NON-PERSISTENT) ACCORDING MX-270 AND PILOT INFO. REF TSM 05-50-00-810-831 A. ODOR HAPPENED DURING FLIGHT PHASE CHANGE (DESCENT). PERFORMED OPERATION OF BOTH PACKS WITH BOTH ENGINES, PACK DECONTAMINATION C/W REF AMM 21-00-00. A/C OK FOR RETURN TO SERVICE.'