As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5552, IAH TO MGM. EN ROUTE TO MGM THE FLIGHT CREW RECEIVED A CARGO BOTTLE LOW EICAS MESSAGE. THE QRH WAS FOLLOWED AND IT WAS DECIDED TO DIVERT TO BTR. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE TRANSDUCER ON THE CARGO FIRE BOTTLE INTERMITTENT AND REPLACED THE BOTTLE.