As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FIRE WARNING DURING TAXI WITH MOMENTARY STATUS MSG "FIRE DET AFT 2". AFT CARGO DETECTOR 1A AND 2A INOP.(<P>PERFORMED OPS CHECK AND GROUND TEST FOR CARGO FIRE DETECTION SYSTEM. THIS CLEARS DMI, PLACARDS REMOVED. 0733Z/JE. </P>)