As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AFT CARGO FIRE BOTTLE INDICATING DISCHARGE. REPLACED FIRE BOTTLE PER AMM 26-23-41 AND AFT CARGO SMOKE DETECTORS PER AMM 26-16-15. SEE ALSO FIRE BOTTLE(AALA202005149008), SMOKE DETECTOR (AALA202005149009), SMOKE DETECTOR (AALA202005149011), SMOKE DETECTOR (AALA202005149012).