As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT, AIRCREW TESTED EMERGENCY LIGHTING SYS AND FOUND THE CTR OVERHEAD EMERGENCY LIGHT INOPERATIVE. MX CREW FOUND LIGHT BULB BURNED OUT. THE MX CREW REPLACED LIGHT BULB, PERFORMED EMERGENCY LIGHTS OPS CHECK, AND THE SYS PERFORMED SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.