As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JAN/MEM ON APPROACH INTO MEM RECEIVED CARGO BOTTLE LOW CAUTION MESSAGE, QRH FOLLOWED DECLARED EMERGENCY, LANDED WITHOUT INCIDENT CFR, INSPECTED AIRCRAFT NO FIRE OR SMOKE FOUND. TAXIED TO GATE. MAINTENANCE REMOVED AND REPLACED CARGO STANDBY BOTTLE IAW AMM.