What was found
FLT#761, LGA-PBI. 'ON DESCENT THRU 11K' FEET NOTICEABLE ONSET OFF OIL FUMES IN FLT DECK. TURNING PACK 1 OFF IMMEDIATELY STOPPED FUMES; COMPLIED W/ INFO NOTICE 2017-T015, SECTION B2. NO ODOR IDENTIFIED OR PRESENT W/ ENG RUN, PER AMM 71-00-00, BLEED 1 AND/OR 2 ON, PACK 1 AND/OR 2 ON ISOLATED. FLT CREW ADVISED ODOR DISSIPATED QUICKLY FROM F/D. AND INFLT REPORTED NONE. DECON 1 WAS ACCOMPLISHED PER TSM 05-50-00-810-831-A. A/C OK FOR SVC.'