As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI FOR TAKOFF, NR 1 ENG FIRE WARNING ACTIVATED, WHEN ENG WAS SHUTDOWN, THE INDICATION WENT OUT. EMERGENCY DECLARED. PERFORMED DVI OF ENGINE FIRE DETECTION SYS IAW JIC 26-12-61 DVI10000 - PERFORMED IDLE RUN. ALL SYS NORMAL AT THIS TIME. NO DEFECTS FOUND.