As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT, FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN. SECURING AIR CONDITIONING PACKS & RECIRCULATION FANS STOPPED SMOKE. FOUND RT ACM SEIZED. R & R ACM IAW AMM 21-51-03. PERFORMED OPERATIONAL & LEAK CHECKS. SYS CHECKED NORMAL.