They suspended orders for tires for the aircraft because it was discovered there were still tires in stock because they had to allocate funds to use what was needed first.
They suspended the tire order for this ship because they found that there was still tire inventory, as they needed to allocate a budget for the necessary parts. Previously.
They stopped ordering the tires of this ship first, because they found that there were still tires in stock, because they had to allocate the tires to the needed parts first.