What was found
MIA - EMERGENCY LIGHT BATTERY PACK FAILED FUNCTIONAL TEST. REPLACED BATTERY PACK AT M1695. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MIA - EMERGENCY LIGHT BATTERY PACK FAILED FUNCTIONAL TEST. REPLACED BATTERY PACK AT M1695. SYSTEM GROUND CHECKED NORMAL OPERATION.