What was found
CLT/RON - EMERGENCY LIGHTS - AFT EMERGENCY LIGHT POWER UNIT FAILED TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (13WL). OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLT/RON - EMERGENCY LIGHTS - AFT EMERGENCY LIGHT POWER UNIT FAILED TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (13WL). OPERATIONAL CHECK WAS GOOD.