Originally Posted by
Azulcactus
This is an eVoucher (evouchers.aa.com), I got it via email originally from AA (customer service iirops issue complaint) and I typed in the number and PIN on the payment screen on AA.com as a form of payment. It's not one of the old paper vouchers you have to send to Milton, I'm pretty certain I don't have to mail anything in this case.
Pinged AA on Twitter and it was ticketed 1 hour later. Whatever works I suppose!