As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CARGO FIRE EICAS MESSAGE WITH FIRE WARMING LIGHT, AND MASTER CAUTION LIGHT AND CARGO FIRE ARM SWITCH LIGHT DEPRESSED MAIN CARGO FIRE ARM SWITCH AND INCORRECTLY DISCHARGED APU FIRE BOTTLE. REMOVED AND REPLACED APU FIRE EXTINGUISHER IAW AMM 26-22-02.