TC reported cab seat dislodged, unable to use properly. Picture taken and send to TOCR. TC reported cab seat dislodged, unable to use properly. Picture taken an d send to TOCR. ~~~~~ 3657 TC reported cab seat dislodged, unable to use properly. Picture taken and send to TOCR. CE: T405(3657) cab seat confirmed cab seat dislodged.  #3657 cab seat was dislodged because a screw had loosened and had fallen off. Replaced the screw and secured the cab seat. Done by: Saini 45299