What was found
A DIRTY SOCK ODOR REPORTED DURNG DESCENT PASSING THROUGH 10,000. STARTED IN BACK AND WORKED UP. APU OFF AT TIME OF ODOR, ACCOMPLISHED TABLE 1 OF SECTION C- LEVEL 3 ODOR INFO NOTICE 2017-T015B. APU WITH PACK 1 OK. APU WITH PACK 2 VERY SLIGHT SMELL. ENG 1 WITH PACK 1 OK,WITH PACK 2 VERY SLIGHT SMELL. ENG 2 WITH PACK 1 OK, WITH PACK 2 THERE WAS A DEFINITE ODOR. SUSPECT CONTAMINATED ECS PACK 2. OPEN.