As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR RETURN FOR CARGO FIRE BOTTLE LOW CAUTION MESSAGE. MESSAGE POSTED WHILE CLIMBING THROUGH FL250. CREW DID NOT DECLARE EMERGENCY. MAINTENANCE REMOVED AND REPLACED BOTH CARGO FIRE BOTTLES IAW CRJ AMM 26-25-01, OPS CHECKS GOOD REF TL-203109-2011.