As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT THROUGH FL 210 DIRTY SOCKS SMELL PACK 1 WAS OFF APU WAS OFF-PERFORMED DECONTAMINATION OF THE ECS SYSTEM IAW AMM 21-00-00. R&R THE RECIRCULATION FILTERS IAW AMM 21-21-41. NO FURTHER SMELLS NOTED AFTER DECONTAMINATION. A/C OK FOR SERVICE.