As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT ON DESCENT AROUND 7000 FA REPORTED DIRTY SICK SMELL THAT STARTED AT THE REAR OF THE AIRCRAFT AND QUICKLY SMELLED THROUGHOUT THE CABIN WE TURNED OFF PACK 2 AND PUT O2 MASKS PILOTS DID NOT SMELL ODOR. (PACKS WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD 30626/MP K6443 (ENHANCED ECS). FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOT DISPLAYED.