What was found
FLT#143, EWR-PBI. ' DIRTY SOCK SMELL IN DESCENT PASSING CLOUD LAYER. IMPROVE WHEN PACK 1 TURNED OFF. CAME BACK ON TAXI IN WITH PACK 1 BACK ON; COMPLIED WITH INFO NOTICE 2017-T015K. NO 30 CDAY HISTORY. SECTION A, ISOLATED TO TYPE 10 MISCELLANEOUS ODOR PER TSM 05-50-00-810-085-B. A/C IS OK FOR SVC.'