What was found
ORD - EMERGENCY LIGHTS IN TAIL COMPARTMENT INOPERATIVE. REPLACED BATTERY PACK B528 FOR EMERGENCY LIGHTS IN TAIL COMPARTMENT. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - EMERGENCY LIGHTS IN TAIL COMPARTMENT INOPERATIVE. REPLACED BATTERY PACK B528 FOR EMERGENCY LIGHTS IN TAIL COMPARTMENT. SYSTEM GROUND CHECKED NORMAL OPERATION.