As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONT - FLIGHT 125, DURING POST FLIGHT INSPECTION THE LT EMERGENCY EXIT LIGHT FWD OF WING WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER ONE BATTERY PACK, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.