As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLT, THE CARGO FIRE EXT BOTTLE 1 AND 2 ARMED LIGHTS DON`T COME ON WHEN PANEL TESTED OR WHEN CARGO PIT ARMED SW IS PLACED IN FWD OR AFT CARGO POSITIONS. REPLACED 1 AND 2 CARGO BOTTLES, DIVERTER VALVE, FILTERS AND METERING VALVE.REF.