As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DMI# 407243 CARGO SMOKE AFT FAIL - LAST CARGO SMOKE DETECTOR AMBER [F]. LOWER CARGO COMPARTMENT SMOKE DETECTION SYSTEM DETECTOR UNITS [ONE DETECTOR AT EACH LOCATION MAY BE INOPERATIVE AND THE REMAINING PORTIONS OF THE SMOKE DETECTION SYSTEM MAY STILL BEUSED.] . GROUNDED - YES. REMOVED AND REPLACED AFT CARGO COMPARTMENT SMOKE DETECTOR PER AMM 26-41-01. OPS CHECK GOOD. PLACARD REMOVED MIC SHEET CLEARED.