As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS REPORTED A MUSKY SMELL/ODOR IN THE CABIN DURING DESCENT AROUND 7000 FT THE SMELL WAS WORSE IN THE AFT OF THE AIRCRAFT. AFTER PACK 2 WAS OFF THE SMELL WAS NO LONGER PRESENT WITHIN SEVERAL MINUTES.-ACCOMPLISHED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM, REF A320 AMM 21-00-00, REPLACED THE RECIRCULATION FILTER CARTRIDGES REF : 21-21-41. THE A/C IS OK FOR CONTINUE SERVICE.