As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO FIRE DETECTION TEST FAILED ON AFT A LOOP. ACFT GROUNDED. UNABLE TO DUPLICATE. DUE TO HISTORY, PERFORMED AFT CARGO BAY A SYS SMOKE DETECTOR CLEANING, REF. MM26-16-01-100-801. PERFORMED ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION, CARGO BAY SMOKE DETECTION OPERATIONAL TEST, REF. MM26-16-00-710-801 AND CARGO ELECTRONIC UNIT (CEU) BITE PROCEDURE REF. FIM 26-16, TASK 801. ALL TESTS PASSED.