As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING, INOPERATIVE, FOUND PRIOR TO FIRST FLIGHT OF THE DAY. MAINTENANCE REMOVED AND REPLACED ALL POWER SUPPLIES. OPERATIONAL CHECK WAS GOOD. AIRCRAFT RELEASED FOR SERVICE. SUSPECT LIGHTS WERE INADVERTENTLY LEFT ON AFTER POWER WAS REMOVED.