As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - EEL - DURING 8-DAY CHECK FUNCTIONAL TEST OF EMERGENCY LIGHT SYSTEM, FOUND THE LT OVERWING EMERGENCY POWER SUPPLY UNIT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.