So I tried to check in for a flight back to the US with no luck.

The mobile app seems to have a bug where I can't enter my greencard expiration date -- the date picker only allows dates in the past!!!

The web check-in does not offer green card as an option for my document, only us visa, us esta and "none of the above". I picked none of the above but wasn't prompted for a green card number, so I did not feel comfortable continuing.

...anyone else seeing these issues? How do I fix that?