What was found
FLT#787, JFK-SXM. "DESCENDING THROUGH 10,000 INFLIGHT CALLED TO INFORM A DIRTY SOCK SMELLIN THE CABIN COMMING FROM ROW 16 TO THE FWD CABIN. CUSTOMERS ALSO NOTIFIED THE ODOR , INFLIGHT DESCROBED THE SMELL AS PERSISTANT AND SAID ODOR REMAINED TILL AFTER BLOCKING IN ( PACKS ); REF INFO NOTICE 2017-T015K REF TSN 05-50-00-810-831A IDENTIFIED SOURCE OF CABIN ODOR TO BE THE APU. PERFORMED PACK 1 AND 2 DECONTAMINATION IAW INFO NOTICE. BOTH PACKS #1 AND #2 OPS CHK OK FOR SERVICE. MDDR #564964 CLEARED MX-4 UPDATED, PLACARDS REMOVED, MCC NOTIFIED. '