As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3650 THE CREW REPORTED THE SERVICE DOOR VERTICAL EXIT SIGN HAS 2 BULBS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. CREW PLACARD PER MEL 3337 AUTH 110379-C MOC 686519. RE-SECURED LIGHTS. THE OPERATIONAL CHECK WAS GOOD PER CRJ AMM 33-51-00 MEL RESTORED.