What was found
FLT#2801, FLL-LAX. 'ODOR / FUMES PRESENT IN DESCENT FROM 8000' TO TOUCHDOWN IN CABIN. CAUSED DISCOMFORT FOR PASSENGERS AND INFLIGHT CREW; RAN #1 AND #2 ENGINES AND PAC'S. ISOLATED BOTH SYSTEMS. COCKPIT AND CABIN AIR NORMAL. NO ODOR PRESENT. ACCOMP. DECONTAM. AS PRECAUTION. COMPLIED W/ INFO NOTICE 2017-T015 SEC A, ISOLATED FAULT TO TYPE 10, PER TSM 05-50-00-810-085 B/ 05-50-00-810-085 D. A/C OK FOR SERV.'