dataCtrl.cs

public class Weld {
  public int id;
  public string status;
}

public class Chassis {
  public int id;
  public Weld[] welds;
}


public class Operator {
  public int id;
  public string name;
  public string lineaProd;
} 

public class Report {
  public int id;
  public DateTime date;
  public Operator operador;
  public Chassis chassis;
}


public class archivoScript : MonoBehavior {
  public static Report currentReport;

  currentReport.chassis.welds[0].status= "bad";

}