As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A"MD DET AFT 15" STATUS MESSAGE. LOSS OF SMOKE DETECTOR IS IN THE AFT ZONE OF THE MAIN DECK CARGO COMPARTMENT.SMOKE DETECTOR AFT 15 R/R IAW AMM 26-14-01-401 REL 37.00. P/N OFF-ON: 3301-21, S/N OFF: 3742490, S/N ON: 3889551. TEST SATIS. EFF REF IPC: 26-14-01-01A-110.