What was found
FLT#169, JFK-PUJ. 'DURING DESCENT THROUGH CLOUDS INFLIGHT REPORTED "DIRTY SOCK" SMELL MID TO CABIN TO AFT; DUE TO REPORT OF ODOR EMANATING FROM ENG 2 BLEED AIR, INSPECTION OF #2 ENGINE AND BLEED AIR DUCTS WAS ACCOMPLISHED IAW INFO NOTICE 2017-T015J, SECTION B1. ENGINE IDLE RUN WAS DONE IAW AMM 72-00-00 AND NO CABIN ODORS WERE PRESENT. AIRCRAFT OK FOR FOR SERVICE.'