As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO SMOKE INDICATED AT THE GATE. DISCHARGED AGENT 1. // REMOVED AND REPLACED AGENT 1 FIRE EXTINGUISHER CONTAINER IN ACCORDANCE WITH AMM 26-22-01/401 E(2)(A)7. LEAK CHECK GOOD. OPS TEST AND CLOSE UP PENDING C/B T29 AND T30 PULLED AND COLLARED. OPS CHECK GOOD. OK FOR SERVICE.