As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED A CARGO BOTTLE LOW CAUTION MESSAGE AT FLIGHT LEVEL 290. DECLARED AN EMERGENCY AND DIVERTED. LANDED WITH OUT INCIDENT. FOUND NO EVIDENCE OF FIRE OR SMOKE. MAINTENANCE CLEANED THE CONNECTOR PLUGS ON THE FIRE BOTTLES AND PREFORMED AN OPS CHECK OF THE SYSTEM AND EVERYTHING OPS CHECKED GOOD AND NO DEFECTS WERE FOUND.