As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SCE FLIGHT#3836. CREW REPORTED EMERGENCY LIGHTS CAME ON WHEN CYCLED OFF WITH EXTERNAL POWER APPLIED. LIGHTS WORK NORMALLY WITH BATTERY POWER. MAINTENANCE REPLACED THE EMERGENCY LIGHTS CONTROL BOX. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.