GoDaddy is simple yet confusing at the same time. They are still using old systems mixed up with new systems. There are a couple of different places to transfer your domain.These direct links should be helpful and work for you. So basically, what you wanna do is swap out the domain you want to transfer in the URL below.
- Manage All Domains: https://dcc.godaddy.com/domains
- Pending transfers: https://dcc.godaddy.com/transfers/out
Remember to unlock your domain, get your EPP code and turn-off Domain WhoIS Privacy.