As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT CARGO BOTTLE LOW INDICATION, FOLLOWED QRH AND LANDED NEAREST SUITABLE AIRPORT. AFDL#438707-2...FLT 5502 DEL 111 MINS & FLT 5502 DEL 247 MINS. EN ROUTE TO BTR A/C DIVERTED TO MEI DUE TO MTC. FIRE CREW OPENED CARGO DOOR, IT WAS DETERMINED TO BE AN INDICATION PROBLEM. CARGO COMPARTMENT FIRE EXTINGUISHING SYSTEM.