As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GOT MOMENTARY TRITONE AND CARGO FIRE LWR ALERT. WENT OUT WE COULD READ IT ALL. NO INDICATIONS ON OVERHEAD OR AIR SYNOPTIC. CHECKED CARGO AREA AND PERFORMED LOWER CARGO HEAT DETECTORS OPERATIONAL TEST AND THEN NO FAULTS FOUND IAW AMM 26-14-02-5.