It sounds like the domain may still be in a transfer hold period.
Note: You're not eligible to transfer a domain for a 60-day period after the following events:
• Registering or transferring a domain name
• Updating the registrant contact's organization
• Updating the registrant contact's first or last name and an organization is not listed
You're not eligible to transfer a domain for a 10-day period after changing your domain from one GoDaddy account to another via the Account Change Process.