As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4614 AFTER PUSHBACK ALL THE EMERGENCY LIGHTS CAME ON. THE CREW PULLED BACK TO THE GATE AND POWERED DOWN THE AIRCRAFT AND ALL LIGHTS RESET. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED OPERATIONAL TEST OF THE EMERGENCY LIGHTS IAW CRJ AMM 33-51-00. THE OPERATIONAL CHECK WAS GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.