What was found
FLT# 8360, SJU-FLL. 'FUMES SMELL ON DESCENT AT ABOUT 10,000MSL UNTIL LANDING APU WAS OFF; C/W INFORMATION NOTICE 2017-T015, SECTION B2. DECONTAMINATION LEVEL 2(B) WAS ACCOMPLISHED PER TSM 05-50-00-810-085-B/D. APU FOUND TO BE SOURCE OF ODOR AND WAS DEFFERRE. ALL PACKS BURN C/W USING AIRTRT CART & ENGINES. RE-CIRCULATION FILTER CHANGED AS PRECAUTIONARY. NO ODOR PRESENT. A/C SAFE FOR RETURN TO SERVICE.'