As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 4216 - ON CLIMB-OUT, RECEIVED BAG SMOKE INDICATION. DECLARED EMERGENCY INTO CLE AND DISCHARGED THE FIRE BOTTLES. MAINTENANCE COMPLIED WITH OPERATIONAL CHECK OF BAGGAGE SMOKE DETECTION SYSTEM AND FOUND NO DISCREPANCY. FIRE BOTTLES WERE REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. (M)