As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ABOUT 1420 ATLANTA TIME DURING APPROACH A STRONG ELECTRICAL ODOR IN THE COCKPIT. DURING APPROACH WITH A MAIN BATTERY CHARGER STATUS MESSAGE THE SHIPS MAIN BATTERY AND CHARGER WERE VERY HOT AND APPEAR TO BE THE SOURCE OF THE ODOR THE MAIN BATTERY AND CHARGER WERE REPLACED THE STANDBY POWER PANEL WAS REPLACED AS A PRECAUTION.