As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED EMERGENCY LIGHTS FOUND TO BE INOPERATIVE DURING PREFLIGHT INSPECTION. EMERGENCY LIGHTS HAD BEEN LEFT ON OVERNIGHT. MAINTENANCE INSPECTED, R & R EMERGENCY LIGHTS BATTERY PACK NR 4 AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.