What was found
FLT#237, BOS-GND. 'DURING DESCENT INFLIGHT EXERCISED A LEVEL 2 ODOR AT DESCENDING BELOW 6000; COMPLIED WITH INFORMATION NOTICE 2017-T015 SECTION A. ISOLATED FAULT TO TYPE 10 (A) 1, C, PER TSM 05-50-00-810-085-B/ TSM 05-50-00-810-085-D. A/C OK FOR SVC. ENG RUN ACCOMPLISHED BY CREW AND NO DODR NOTED FROM EITHER ENGINES OR PACKS.'