As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME CHEMICAL SMELL ON DESCENT OUT OF 10K - PACK 1 OFF - SMELL GONE - PACK 1 ON - SMELL BACK - PACK 1 OFF - SMELL GONE. ( PACKS A319 WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) - AT OR BELOW FL 370 )--