As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH APU ON FLIGHT ATTENDANT REPORTED SMOKE WITH BURNING SMELL / PERFORMED SMOKE OR FUMES IN CABIN (CONDITIONAL INSP) PER AMM 05-51-56-200-801 & FIM TASK 21-00 TASK 806. FOUND RECIRC FAN BAD. R/R RECIRC FAN PER AMM 21-25-02 RAR #5302 POS; ONLY PN OFF/ON; 645405-2 SN OFF; 5271 SN ON; 4027 TAG# 649553