As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED SMOKE IN AFT CABIN. CAPTAIN NOTICED LIGHT SMOKE IN THE COCKPIT. SMOKE CLEARED WITHIN A FEW MINUTES. AFTER LANDING, RECEIVED PACK 1 OVERHEAT WARNING. FOUND NR 1 AIR CYCLE MACHINE SEIZED. REPLACED THE NR 1 AIR CYCLE MACHINE. LEAK AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.