What was found
DURING DESCENT, WITH POWER IN IDLE FOR SOME TIME, CABIN CREW REPORTED SIMILAR ODOR IN REAR OF CABIN. FLIGHT CREW NOTICED A MUSTY ODOR, FAINTLY. RAN PACKS AND CONFIRMED DIRTY SOCKS ODOR. T/S IAW TSM 05-50-00-810-831A. R & R BOTH RECIRCULATION FILTERS, OPS CHECK OK IAW AMM 21-21.41.