As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN STARTING ENGINE NR 2, AND SELECTING FUEL ON, MASTER WARNING CAME ON. CONDITION LEVER WAS SELECTED OFF AND START WAS DISCONTINUED. WARNING WAS FIRE DETECT, AND FAULT ON FIRE LOOP A. MAINTENANCE INVESTIGATION/ACTION: RT ENGINE FIRE/OVERHEAT DETECTOR REPLACED