As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, THE CARGO FIRE TEST WAS NOT SATISFACTORY, MASTER WARNING LIGHT TURNED ON AND AURAL DO NOT OPERATE. MAINTENANCE PERSONNEL PERFORMED REVISION DETECTING FAILURE INTERMITTENT INDICATIONS IN CCD AND CCT. AIRCRAFT WAS SENT TO THE HANGAR AND MAINTENANCE PERSONNEL REPLACED THE SMOKE DETECTORS FWD M2238 AND AFT M2246 A3 POSITION IAW AMM 26-16-01-400-801, TESTED CORRECT.