As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION FOUND THE INTERIOR AISLE FORWARD OVER WING EMERGENCY EXIT SIGN INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. RE-ATTACHED CONTACT PIN ON INTERIOR AISLE FORWARD OVER WING EMERGENCY EXIT SIGN IAW EMB AMM 33-50-15. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.