As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE THE MECHANIC NOTED THAT THE LAST EMERGENCY LIGHT FLOOR PROXIMITY STRIP FAILED TO ILLUMINATE. MAINTENANCE RELEASED THE AIRCRAFT IWA MEL. MAINTENANCE REMOVED AND REPLACED THE LAST EMERGENCY LIGHT FLOOR PROXIMITY LIGHT STRIP, PERFORMED AN OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.