As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2057 - CHS - FLIGHT CREW REPORTED BAG SMOKE DET LIGHT DID NOT ILLUMINATE DURING TEST. EWR MX REMOVED AND REPLACED BAGG SMOKE DETECTOR AFT POSITION AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.