As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 9858080) AT TAKEOFF SPEED FIRE WARNING TRIPPED AND BELL AND RED LIGHTS ILLUMINATED. RESET TEST SWITCH THEN OPERATED NORMALLY, TAKEOFF COMPLETED. MAINTENANCE REMOVED AND CLEANED DEBRIS FROM TEST SW. PERFORMED OPS TEST PER AMM 26-10, OPERATIONAL TEST OK.