DT520: CAB CONSOLE A/S DOOR PUSH BUTTON'PUSH BUTOON LIKELY SPOIL. OUR LOGS DIDNT PICK UP THE BUTTON, BUT WAS INFORMED TC GOT PRESS THE BUTTON ~~~~~ 3520 CAB CONSOLE A/S DOOR PUSH BUTOON LIKELY SPOIL. OUR LOGS DIDNT PICK UP THE BUTTON. BUT WAS INFORMED TC GOT PRESS THE BUTTON.  3520 Checked and found DOSA2 Contact with high resistance. c/o 3520 DOSA2 contactor.  Anand 45502