What was found
FLT#1700, LAX-FLL. "LEVEL 2 FUME EVENT. STRONG AND PERSISTENT FUMES SMELLED BY BITH PILOTS FROM 11,000 THROUGH LANDING. FA'S NOTICED A SMELL MID CABIN. ATTEMPTED ISOLATION PROCEDURE WITHOUT SUCCESS. CLEAR OF CLOUDS DURING EVENT; COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A ISOLATED FAULT TO TYPE 10 PER AMBIENT AIR AND ACCOMPLISHED LEEL A DECONTAMINATION PER TSM 05-50-00--810-085-B/ TSM 05-50-00-810-085D. AIRCRAFT IS OK FOR SERVICE"