As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD CABIN EXIT SIGN DOES NOT ILLUMINATE WHEN EMERGENCY LIGHTS SELECTED ON ALL OTHER CABIN EXITS SIGNS OPERATE NORMALLY. REMOVED FROM SERVICE. FOUND CONNECTOR PLUG LOOSE ON LIGHT PANEL. SECURED THE CONNECTOR, EXIT SIGN ILLUMINATED WITH NO OTHER DEFECTS NOTED. NO PARTS REPLACED. RETURNED TO SERVICE.