As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HPN/IAD - FLT 6946 - DURING TAXI AT 2100 HRS ON 2-15-95, LEFT ENGINE FIRE DETECT LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED THE CANNON PLUG ON THE FIRE DETECTION BOX. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)