What was found
FLT#9, JFK-SDQ. 'WHILE AT CRUISE AT FL 300. INFLIGHT NOTIFIED THE COCKPIT OF A "DIRTY SOCK" ODOR. AIRCRAFT WAS DEVIATING AROUND WX+ RAIN. INFLIGHT ADVISED THAT ODOR DISSIPATED AFTER GETTING INTO CLEAR AIR ODOR WAS ONLY NOTICEABLE IN AFT CABIN. ODOR RETURNED ON FINAL APPROACH DISSIPATED ONCE ON GROUND; COMPLISED WITH INFORMATION NOTICE 2017-T015, SECTION B1. DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER TSM-05-50-00-991-01200. A/C OK FOR SVC NO OIL LEAKS FOUND THE A/C IS OK FOR SVC MCC NOTIFIED.'