What was found
CMH - EEL - DURING 4-DAY CHECK THE LEFT OVERWING EMERGENCY LIGHT BATTERY FAULTED. MAINTENANCE REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT LEFT OVERWING EMERGENCY POWER SUPPLY UNIT 11WL, OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CMH - EEL - DURING 4-DAY CHECK THE LEFT OVERWING EMERGENCY LIGHT BATTERY FAULTED. MAINTENANCE REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT LEFT OVERWING EMERGENCY POWER SUPPLY UNIT 11WL, OPERATIONAL CHECK WAS GOOD.