As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3890 CREW REPORTED AT 400 FEET ON FINAL. BAGG SMOKE MESSAGE ON EICAS AND OVERHEAD EXT BUTTON ILLUMINATED. PERFORMED EPC AOM VOL PROCEDURES NO SMOKE/FIRE NOTED BY FLIGHT ATTENDANT OR CFR. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BAGGAGE METERING EXTINGUISHER BOTTLE IAW AMM 26-23-01. OPERATIONAL CHECK GOOD IAW AMM 26-15-00. AIRCRAFT RETURNED TO SERVICE.