As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GROUND, WITH PROP IN FEATHER POSITION, THE LT ENGINE FIRE INDICATION LIGHT CAME ON. AFTER ENGINE SHUTDOWN THE WARNING LIGHT EXTINGUISHED. STRONG TAILWIND WAS PRESENT. PERFORMED ENGINE FIRE SYSTEM OPERATION TEST AND FOUND SYSTEM WORKING SATISFACTORY. LOOKS LIKE THE STRONG TAIL WIND WAS THE CONTRIBUTOR FACTOR. (SDR2004015)