As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE EMERGENCY EXIT LIGHTS WERE FOUND TO BE INOP IN DCA. THE AIRCRAFT WAS FERRIED TO SDF FOR REPAIRS. REMOVED AND REPLACED NR 4 EMERGENCY LIGHT BATTERY AND RESECURED THE CONNECTOR ON THE NR 1 EMERGENCY LIGHT BATTERY. OPS CHECKS GOOD PER EMB 145 AMM 33-50-00.