What was found
STL- NR 2 BATTERY SHOWED OFF LINE AFTER ENGINE STARTED. MAINTENANCE SWAPPED NR 1 AND NR 2 BATTERIES FOR TROUBLESHOOTING. REMOVED AND REPLACED NR 2 BATTERY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL- NR 2 BATTERY SHOWED OFF LINE AFTER ENGINE STARTED. MAINTENANCE SWAPPED NR 1 AND NR 2 BATTERIES FOR TROUBLESHOOTING. REMOVED AND REPLACED NR 2 BATTERY.