A patient receiving mechanical ventilation has recently unde…

A patient receiving mechanical ventilation has recently undergone a tracheotomy.  He writes a note saying he is having difficulty catching his breath.  The respiratory therapist checks the incision area for signs of infection and position of the tracheostomy tube.  The cuff pressure is checked and registers 0 mmHg.  Air is inserted through the pilot balloon and the pressure remains at 0 mmHg.  What action should the therapist take?