As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RUN UP, FIRE DETECTOR IN AFT BAGGAGE COMPARTMENT LIGHT FAILED TO COME ON DURING TEST. MAINTENANCE CARRIED FORWARD TO MCOD, PART IS ON ORDER AND IT IS A 10 MEL ITEM. A FOLLOW UP REPORT WILL BE TURNED IN WHEN THE PART IS CHANGED AND OPERATIONAL CHECK IS COMPLETE.