As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPS CHECK OF EMERGENCY LIGHTING SYSTEM FOUND LIGHTS ASSOCIATED WITH EMERGENCY BATTERY # 2 INOP-C/A-UPON INSPECTION FOUND # 2 EMERGENCY LIGHTING BATTERY NOT CONNECTED. REMOVED AND INSTALLED NEW BATTERY AND CHARGER IAW W/C 33-700-19. OPS CHECKS GOOD IAW W/C 33-700-17. NO FURTHER DEFECTS NOTED. EMERGENCY LIGHTING BATTERY P/N 2013-1A S/N 67500