As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND THE RIGHT OVERWING EMERGENCY EXIT HAS AN OPEN INDICATION ON EICAS WITH THE HATCH INSTALLED. THE AIRCRAFT WAS REMOVED FROM SERVICE. ADJUSTED THE RIGHT OVERWING EMERGENCY EXIT SWITCH AND OPERATIONALLY CHECKED IAW EMB AMM TASK 52-75-01-700-801-A. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.