As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PS-2 MAINTENANCE CHECK FOUND THE EXTERIOR EMERGENCY AFT LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE AFT LEFT EXTERIOR EMERGENCY LAMP IAW EMB 140 AMM 33-50-10. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.