As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED BURNING SMELL IN AFT CABIN DURING FINAL APPROACH. MAINTENANCE FOUND THE RIGHT AIR CYCLE MACHINE (ACM) SEIZED AND REPLACED IT PER AMM 21-52-02. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.