As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4413 CREW RECEIVED BAGGAGE SMOKE WARNING MESSAGE ON EICAS, PRESSED BAGGAGE EXT BUTTON AS PER MEMORY ITEM. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED FWD AND AFT CARGO SMOKE DETECTOR IAW EMB AMM 26-15-01. OPERATIONAL TEST CHECK GOOD. THE AIRCRAFT RETURN TO SERVICE.