As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO FIRE BOTTLE LOW INDICATION- WHILE AT FLT LEVEL 280 ENROUTE, RECEIVED AMBER CARGO BLT LO MESSAGE. C/W QRH & LANDED AT 47400 LBS LANDING WEIGHT. BTMS READS 3343. MESSAGE CLEARED BY ITSELF AT 3000 FEET. LANDING WAS NORMAL AND SMOOTH.