As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/VTV - FLT 6400 - DURING PRE-FLIGHT ON 10-30-97 AT 0635 HOURS, CREW NOTICED THE FORWARD EMERGENCY TRACK LIGHTS WERE NOT ILLUMINATING. MAINTENANCE WAS NOTIFIED AND THROUGH TROUBLESHOOTING, FOUND THE EMERGENCY LIGHT POWER SUPPLY HAD FAILED. MAINTENANCE REMOVED AND REPLACED THE FOWARD EMERGENCY LIGHT POWER SUPPLY IAW MM PROCEDURES AND PERFORMED A FUNCTION CHECK OF THE SYSTEM. ALL CHECKS WERE GOOD. AIRCRAFT RELEASED FOR SERVICE. (X)