As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN EMERGENCY LIGHT NO ARMED MESSAGE ON EICAS WITH THE EMERGENCY LIGHT SWITCH IN THE ARM POSITION. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT SWITCH IAW EMB MM. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)