TC informed 'A' side cab door had loosened. TC closed cab door, reset EB - ok and proceeded in AM tonext station. ~~~~~ TC informed 'A' side cab door had loosen     #3508-A/S cab door test when almost closed position DIR/DMI indication no lit.Adjusted cab door plunger and tested almost closed position,DIR/DMI indication lit.Closed position DIR/DMI extinguised.Conduct tag test ok.DIR no lit. Done by Zulq. 26/09/22