As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FIRE DETECTION CAME ON FOR ABOUT 5 SEC. SYSTEM TESTS NORMAL AFTER THE ALARM STOPPED. GROUNDED - YES. UNABLE TO DUP./VERIFY DISCREP. PERFORMED CARGO BAY SMOKE DETECTION - OPERATIONAL TEST NUMEROUS TIMES REF. MM 26-16-00. INSPECTED EACH CARGO PIT SMOKE DETECTOR TWICE - FOUND NO DAMAGE - NO OBVIOUS DISCREP.OPS NML REF. 26-16-00. NO HISTORY LAST 120 DAYS.