As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 607 PWM-JFK, CREW DECLARED EMERGENCY DUE TO DURING DESCENT APPROX 10000FT RECEIVED EMERGENCY CALL FROM THE CABIN, SMOKE IN COCKPIT/CABIN PERFORMED MEMORY ITEMS FOR SMOKE AND STARTED SMOKE CHECKLIST/WITH THE BLEEDS OFF AND CABIN DUMPED SMOKE DISSIPATED. LANDED NO PROBLEMS. ACCOMPLISHED FIM TASK 21-20-00-810-801A FOR SMOKE AND ABNORMAL SMELL IN CABIN FOUND NR 2 ACM FAILED. REMOVED AND REPLACED NR 2 ACM. OPS CHECK NORMAL.