As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE CARGO WARNING MESSAGE IN FLIGHT, MSG LASTED 3 SECONDS THEN EXTINGUISHED. COMPLIED WITH INSP OF CARGO AND SMOKE DETECTIONS. C/W OPS CHECK OF CARGO SMOKE DET. C/W OPS CHECK OF CARGO SMOKE DET SYSTEM, NO DEFECTS NOTED, OK IAW AMM26-15-00.