What was found
NRT - EMERGENCY LIGHTS AT DOOR FOUR LEFT INOPERATIVE. REPLACED BATTERY PACK FOR EMERGENCY LIGHTS AT DOOR FOUR LEFT. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NRT - EMERGENCY LIGHTS AT DOOR FOUR LEFT INOPERATIVE. REPLACED BATTERY PACK FOR EMERGENCY LIGHTS AT DOOR FOUR LEFT. SYSTEM GROUND CHECKED NORMAL OPERATION.