What was found
LAX - CABIN EMERGENCY LIGHT BATTERY PACK B527 INOPERATIVE. REPLACED BATTERY B527 FOR EMERGENCY LIGHTS IN CABIN. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAX - CABIN EMERGENCY LIGHT BATTERY PACK B527 INOPERATIVE. REPLACED BATTERY B527 FOR EMERGENCY LIGHTS IN CABIN. SYSTEM GROUND CHECKED NORMAL OPERATION.