On twitter, Sabre says they're not having any issues, and American Airlines retracted their statement pointing the finger at Sabre: Clarification: The issue is

On twitter, Sabre says they're not having any issues, and American Airlines retracted their statement pointing the finger at Sabre: Clarification: The issue is w/ our ability to access our res system & not w/ @SabreNews. We apologize to Sabre & customers for confusion. https://twitter.com/AmericanAir/status/324227267066736640 https://twitter.com/AmericanAir/status/324227267066736640