As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER AFT CARGO FIRE LEVEL 3 MESSAGE CAME ON AT FL36000. AFT CARGO FIRE BO BOTTLE WAS DISCHARGED AND AFTER LANDING, EMERGENCY CHUTE WAS USED. ALL 3 ENGINES FIRE BOTTLES WERE DISCHARGED FOLLOWING THE EMERGENCY LANDING - DIVERTED. REPLACED AS PRECAUTION, COALESCER BAGS PER AMM 21-54-05-2. OPS CHECK NORMAL.