Change a Sales Order link on a Production order

Hi all,

I have a Released production order ( the production order has a source type sales Header) where at leat one item ledger enty is associated with that Production order.

Usually when I create a released production order, i created that directly from a sales header. However, sometimes I need to change that link to anonther sales order with another customer. So what is the best way to handle that if an item ledger entry has already been created and I do not want to create another work order.

Thanks.