As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1) #4 CARGO SMOKE DETECTOR WILL NOT TEST2) ITEM XFER TO DMI LOG PER MEL 26-6-1 DMI #9684 PLACARD INSTALLED3) REF. DMI# 9684. #4 CARGO SMOKE DECTECTION WILL NOT TEST.4) RELAMPED #4 MAIN CARGO SMOKE DETECTOR IAW DC-8 MM 26-10-5. THIS CLEARSDMI. REMOVED PLACARD.