I was lucky and got some LAX-DXB-BKK in F using AS miles but now its impossible to find. Even though there is Z space I cant get it. There's a ton of space in Business and Y from east coast in summer but F is almost impossible.

AS claims EK is not making it available to them and only to EK members, yet they refuse to manually confirm space directly with EK. That's even with providing examples of EK confirming it is available even though the AS website doesn't