TC reported cab seat unable to be placedin the seating position. Seat was stucked in a folded up po sition. ~~~~~ 3710-TC reported cab seat unable to be placed in the seating position. Seat was stucked in a folded up position. CE checked 3710- cab seat able to fold up and down. It's stiff.  3710 Service cab seat, Apply lubrican tok. Function test up and down ok Done by Nasir 45216