As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REQUESTED DESCENT TO FL230 DUE TO LIGHT CHOP IN CABIN AND SMELL OF SMOKE. DURING DESCENT COCKPIT AND CABIN BEGAN TO FILL WITH SMOKE. RAN CHECKLIST, COCKPIT AND CABIN MASKED DEPLOYED AND DIVERTED TO KTUL. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE AFT CABIN BLOWER. SUCCESSFUL OPERATIONAL CHECK WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.