When serial control was being performed during the release of a sales order, some incorrect serial numbers were entered.  I understand how to delete these erroneous ones from the serial file with SC-A, however, I cannot find how to changed the serial numbers assigned to an order once they have been  assigned for the first time.
 
If I edit the order, and then save it, it asks if I want to do serial control.  I select Yes, and it just exits without presenting the serial control screen.
 
Does anyone have any wisdom to share on this subject??

Unfortunately, the transaction may still be listed in BKARTXNS so that to get rid of the offending serial number on the invoice, etc. you would need to edit that line in Maintain Database. We've had this happen where a Lot or SN is released, then unreleased, then the correct one issued, after which we wind up with three lines or serial info on the packing slip and invoice  

Yes.
 
I've not had to do this for serial numbers recently, but I have for lot numbers.

I'm guessing that you have the defaults in SD-K set to Y ?