What was found
FLT#1603, JFK-SJU. 'DIRTY SOCK SMELL OBSERVED DURING DESCENT THROUGH 5000FT. F/A REPORTED ODOR WAS THROUGH THE CABIN W/ THE WORST ODOR OBSERVED IN THE REAR CABIN. GROUND PERSONNEL COULD STILL OBSERVE THE ODOR OF DIRTY SOCKS WHEN THE CABIN DOOR OPENED; WHICH COMPLIED WITH INF. NOTICE 2017-T015 SECTION A ISOLATED FAULT TO TYPE 10. (A) IC PER TSM 05-50-00-810-085-D. THE AIRCRAFT IS OK FOR SERVICE. "LEVEL A: TEMPORARY ODOR TYPE 10 AMBIENT AIR ODOR".'