As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAINTENANCE WALK AROUND CHECK, THE FORWARD SECTION OF EMERGENCY FLOOR TRACK LIGHTING DID NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT POWER SUPPLY AND THE EMERGENCY BATTERY PACK IAW BOEING MM 33-51-0, SYSTEM NOW CHECKS NORMAL. (M)