As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - A/C EN ROUTE FROM EWR TO MSY WHEN ICIAS MESSAGE INDICATED SMOKE IN THE BAGGAGE COMPARTMENT. PILOTS OPEN FIRE BOTTLES AND DIVERTED TO TYS WHERE MAINTENANCE REMOVED AND REPLACED BOTH SMOKE DETECTORS AND REPLACED THE FIRE BOTTLES. A/C RELEASED TO SERVICE ALL WORK ACCOMPLISHED IAW AMM 26-15-01. OPS CHECK GOOD.