As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK SMELL IN DESCENT. PREFORMED ENG 2/APU LVL A DECON OF ECS PER AMM 21-00-00-615-802-A. ENG 2 WASH PER E1128-321-72-007. REMOVED/REPLACED RECIRCULATION FILTER CARTRIGES PER AMM 21-21-41. PER POWERPLANT ENGINEERING MANAGEMENT. OPS CHECK GOOD. ODOR IN CABIN/COCKPIT. OK FOR SVC.