As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#771, BOS-CUN. 'FUME EVENT IN DESCENT AT 4000. FLIGHT ATTENDANTS NOTICED AS WELL AND A FEW PEOPLE ARE FEELING DIZZY & NAUSEOUS; COMPLIED WITH INFO NOTICE 2017-T015 SECTION A. ISOLATED FAULT TO TYPE 10 NO 1C PER TSM 05-50-00-810-08S A TSM 05-50-00-085 D. A/C OK FOR SERVICE. NO PREVIOUS HISTORY. MCC CHRIS NOTIFIED.'