As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING C-CHECK INSPECTION, THE FORWARD FLOOR EMERGENCY LIGHTS FAILED TO ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT BATTERY PACK FOR THE AFFECTED LIGHTS IAW EMB120 MM CH 33-50-02, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)