As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4588 DURING MAINTENANCE CHECK FOUND THE SERVICE DOOR EXTERNAL EMERGENCY LIGHT TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPLACED BULB IN FIXTURE, EMB AMM 33-50-10, AND REPAIRED WIRING AT SERVICE DOOR EXTERNAL EMERGENCY LIGHT SPLICES SP7376/SP7377, EMB SWPM 20-21-00. THE SERVICE DOOR EMERGENCY LIGHT OPERATIONAL TEST WAS GOOD IAW EMB AMM 33-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.