What was found
DURING PREFLIGHT CHECK, BAGGAGE COMPARTMENT SMOKE DETECTOR WOULD NOT TEST, THE MECHANIC REPLACED THE BULB AND THE AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PREFLIGHT CHECK, BAGGAGE COMPARTMENT SMOKE DETECTOR WOULD NOT TEST, THE MECHANIC REPLACED THE BULB AND THE AIRCRAFT WAS RETURNED TO SERVICE.