What was found
DIRTY SOCK ODOR IN COCKPIT AREA, NOTICED BY FLIGHT CREW DURING DESCENT THROUGH 11,000 FT AND ON TAXI IN. SWITCHED TO APU BLEED AND ODOR DISSIPATED. F/A S DID NOT NOTICE, OR DID CUSTOMERS. COMPLIED WITH INFO NOTICE 2017-T015B SECTION A. AIRCRAFT IS OK FOR SERVICE.