As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3475, NUMBER ONE PACK OVERHEATED SMOKE IN CABIN AND COCKPIT. SMOKE LASTED 20 SECONDS. PACK OVERHEAT LASTED 3 SEC. REMOVED AND REPLACED NUMBER TWO ENGINE PER AE W/C 71-000-00, OPS AND LEAK CHECK GOOD. RELEASED FROM TRIAD. AIRCRAFT RETURNED TO SERVICE.