What was found
AUS - EMERGENCY LIGHTS AT 21DEF INOPERATIVE. REPLACED BATTERY PACK FOR EMERGENCY LIGHTS AT 21DEF. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AUS - EMERGENCY LIGHTS AT 21DEF INOPERATIVE. REPLACED BATTERY PACK FOR EMERGENCY LIGHTS AT 21DEF. SYSTEM GROUND CHECKED NORMAL OPERATION.