As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT, CREW NOTICED THE LT CEILING EMERGENCY LIGHTS WERE INOPERATIVE. GROUND MX CREW RESET THE SYSTEM POWER AND PERFORMED AN OPS CHECK OF THE EMERGENCY LIGHTS WHICH PRODUCED A SATISFACTORY RESULT. THE ACFT WAS RETURNED TO SERVICE.