As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO FIRE EXTINGUISHING, DISCHARGE LIGHT ON, DISCHARGE SWITCH NOT PUSHED. FOUND AIR CONDITIONING DUCT LEAK BLOWING COLD AIR NEAR CARGO FIRE BOTTLES. REMOVED AND REPLACED MIX MANIFOLD IAW AMM 21-21-05-400-801. NO LEAKS NOTED. CARGO DISCHARGE LIGHT EXTINGUISHED, OPS TESTED OK IAW AMM 26-23-00.