What was found
NUMBER 2 BATTERY FAILED (DEAD). APPARENT CAUSE: GROUND SERVICE BUS WAS LEFT ENERGIZED. REPLACE NR 2 BATTERY. AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NUMBER 2 BATTERY FAILED (DEAD). APPARENT CAUSE: GROUND SERVICE BUS WAS LEFT ENERGIZED. REPLACE NR 2 BATTERY. AIRCRAFT WAS RETURNED TO SERVICE.