As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3322, CREW REPORTED BAG SMOKE INDICATION AT 400 AGL AOM PROCEDURES FOLLOWED. AFTER LANDING CFR INSPECTED NO FIRE INDICATED. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED AFT CARGO FORWARD SMOKE DETECTOR IAW WITH EMB 145 AMM 26-15-01. OPS CHECK GOOD AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.