As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO SMOKE DET AFT A INOP. OPS CHECK LWR CARGO SMOKE DET SYS AND VERIFIED "A" SYSTEM DET LOOP INOP AND DET FAULT LIGHT ON. BITE CHECK CEU AND FOUND NO FAULTS. CLEANED CONNECTORS ON ALL (6) AFT LWR CARGO DET AND INSP CONNECTORS. NO DAMAGE NOTED. OPS CHECK GOOD REF AMM 26 16 00 710 801. BITE CHECK CEU REF AMM 26 16 00 810 801. NO FAULTS.