As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 801 FLIGHT 5019 CHARLOTTE TO AUGUSTA; EMERGENCY CABIN LIGHTS WOULD NOT TEST DURING PREFLIGHT. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERIES DUE TO LOW VOLTAGE. SYSTEM GROUND CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.