As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-N/A, ON CLIMBOUT THE NR 4 MAIN DECK CARGO SMOKE DET LIGHT ILLUMINATED MOMENTARILY. THE LIGHT WAS ACCOMPANIED BY THE MASTER FIRE LIGHTS BELLS AND HORN ACTIVATING MOMENTARILY. SYSTEM WAS TESTED, OPS NORMAL. COMMENT NOTED BY MAINT ALL MAIN DECK SMOKE DETECTORS TEST GOOD WITH NO FALSE DETECTIONS.