As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCH - DURING MX INSPECTION A GALLEY AREA EMERGENCY EXIT LIGHT WAS FOUND NOT ILLUMINATING. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO EMERGENCY LIGHT BATTERY PACK, OPERATIONALLY TESTED WITH NO DEFECTS. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.