As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PRE-FLIGHT INSPECTION, CREW NOTICED CEILING EMERGENCY LIGHTS WERE NOT OPERATING. GROUND MX CREW R & R ALL SIX OF THE EMERGENCY LIGHT BATTERIES. AN OPS CHECK WAS PERFORMED WITH SATISFACTORY RESULTS. ACFT WAS RELEASED TO FLIGHT STATUS.