As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO SMOKE DETECTOR FAILS TO TEST. FAILS LOOP-A FWD PIT. ALSO HAD CIDS LAV SMOKE DET FAIL MSG. RESET C/B'S FOR SDCU (C6 AND T18) AND PERFORMED CARGO SMOKE DET TEST. ALL PASSED AND ALL MESSAGES CLEARED AFTER RESET. NO REPEATS SINCE ORIGINAL.