Originally Posted by michael_v

I have no answer to your question, but I saw that too on EF when O inventory went to zero a few days ago. But it got back to normal in about a day. However, now DL cannot see the inventory even though EF sees it. It seems that whatever happened to Sabre messed DL up. I had originally thought that it may have been DL's website recent "upgrade" that caused the problem described in OP.