What was found
PREVIOUS FLIGHT DEADHEADING CREWMEMBER NOTICED DIRTY SOCK SMELL DURING DESCENT ( ON FLIGHT 854), SHE NOTIFIED ME BECAUSE SHE DIDNT TELL THE PREVIOUS PILOTS IN TIME. COMPLY WITH INFORMATION NOTIFIED 2017-T015 , SECTION (A) ISOLATED FAULT TYPE 10 (A) 1, PER TSM TCM 05-50-00-810-085-B / TSM 05-50-00-810-085-D, AIRCRAFT OK FOR SERVICE.