Originally Posted by
Pantera
I'm not sure about this but it seems that if there is open time available that the link shows up. If there is no open time then the link goes away. This is just something I have noticed and is not based on fact.
Planning can elect to let us see open time or not. They can make the link appear or disappear when they feel like it. Same with sBS on the computers in ops. Sometimes OP is authorized and sometimes it is not.
I'm not sure what logic or rules they use over there in spaceship earth.