As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE INVESTIGATING REASON FOR CARGO SMOKE WARNING IT WAS FOUND THAT THE CARGO FIRE EXTINGUISHER BOTTLE WAS NOT FIRED. CREW REPORTED THAT THE BOTTLE WAS FIRED IAW EMERGENCY PROCEDURES. THE CARGO BOTTLE SQUIB WAS FOUND TO HAVE BENT ELECTRICAL PINS. SQUIB WAS REPLACED THE THE SYSTEM WAS OPERATIONALLY TESTED.