Although the Board is, and should be, very reluctant to
disturb the Carrier's assessment of discipline when there is
substantial evidence to support the charges, we cannot avoid
concluding, in this case, a 15-day suspension under the
circumstances is excessive to the extent of being arbitrary and
capricious. However, some weight must be given to the reasons the
Claimant was absent. In view of this and the fact that some
discipline is appropriate, the Board will reduce the discipline to