As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR-STL FLIGHT#3543 THE CREW REPORTED A GUST LOCK LIGHT ILLUMINATED IN FLIGHT.THE AIRCRAFT DIVERTED INTO CLEVELAND AND LANDED WITHOUT FURTHER INCIDENT.ON TOCHDOWN THE MESSAGE CLEARED.MAINTENANCE INSPECTED AND ADJUSTED THE LEFT SPRING CARTRIDGE POSITION MICROSWITCH FOR THE ELECTROMECHANICAL GUST LOCK SYSTEM.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SERVICE.