As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 5047 - ON APPROACH, CARGO SMOKE WARNING FOLLOWED EPC AND AOM PROCEDURES. WARNING WENT OUT AFTER 8 MINUTES. MAINTENANCE REMOVED AND REPLACED BOTH CARGO SMOKE DETECTORS IAW SAAB MM. OPERATIONAL CHECK SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. FIRE BOTTLE AND SQUIB WERE ALSO REPLACED. REF: OPER CNTRL NR SIMA2702. (X)