As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING & CLEARING RUNWAY, THE AFT FLIGHT ATTENDANT REPORTED A BURNING SMELL & SMOKE WITH MIST IN CABIN. LASTED FOR 8 MINUTES DURING TAXI IN. STARTED APU AFTER THE EVENT WAS REPORTED & RAN APU AIR FOR NEXT 20 MINUTES. CONDITION DISAPPEARED AFTER ABOUT 20 MINUTES. SHUTDOWN ENG NR 2 DURING TAXI IN. ACCOMPLISHED JOB CARD 26L00021001. NO DEFECTS NOTED, ACFT OK FOR SERVICE.