As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DETECTOR NR 1 EICAS STATUS MSG DISPLAYED (M) REMAINING DETECTOR IS VERIFIED TO OPERATE NORMAL BEFORE EACH DEPARTURE WITH A LOGBOOK ENTRY. EICAS MESSAGE AFT DET FAN. REMOVED AND REPLACED AFT CARGO DETECTOR PER MM 26-16-00. OPS CHECKS OK.