As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3693 THE CREW REPORTED THE LAST (AFT) CEILING EMERGENCY LIGHT WAS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BULB IN AFT CELING LIGHT ASSY IAW CRJ-700 AMM 33-51-09. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.