To change the name on SAS airlines ticket, you have to directly contact customer service. Here's a basic information on how to start:
Contact SAS Customer Support: Find the customer support details on the official website of SAS airlines and talk to the customer support about your issue.
Give your Booking Details: They will ask you to provide your booking details like booking number and other necessary details.
Provide the reason: You have to provide a genuine reason on why you want to change your name, such as spelling mistake, legal name change or any other reason.
Submit Documents: You have to submit your documents depending on your reason for changing your name.
Follow the given steps: Follow the steps provided by SAS customer care support about your issue, including any fee that may apply.
Check Confirmation: Once the name changing process has started, review your ticket confirmation to make sure the details are correct or not.

It is necessary to check with SAS directly for their regulations and processes regarding name changes, as name changes may be subject to certain limits and penalties.