As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FIRE TEST FAILED FOR THE A LOOP. ACFT GROUNDED. PLACED AFT PIT LOOP SELECTOR TO NORMAL POSITION. ACCOMPLISHED AFT CARGO BAY SMOKE DETECTION, SMOKE TEST IAW AMM 26-16-00-730-801. ON ALL POSITIONS A & B NORMAL, LOOP SELECTOR. ALL TESTS PASSED. PERFORMED AMM TASK 26-16-00-710-801 CARGO BAY SMOKE DETECTION, OPERATIONAL TEST. ALL TESTS PASSED.