As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PREFLIGHT INSPECTION, CREW NOTICED THE EMERGENCY LIGHTS WERE INOPERATIVE. THE GROUND CREW REPLACED THE EMERGENCY LIGHT BATTERIES. AN OPS TEST WAS CONDUCTED WITH THE NEW BATTERIES INSTALLED WITH SATISFACTORY RESULTS. THE ACFT WAS RELEASED TO FLIGHT STATUS.