As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4389 DURING TAXI THE CREW REPORTED THAT THE RIGHT SIDE BOTTOM EMERGENCY PASSENGER INFORMATION EXIT SIGN LIGHT HAD SEVERAL INOPERABLE BULBS. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED LAMPS IAW CRJ 700 AMM 3-51-05. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.