Originally Posted by
JAXBA
Some, like AA's code on LHR-JNB will appear, and can be sold from availability without needing to long sell. The flight doesn't need a connection from AA; stopovers are valid too, as long as the pax arrives into Europe on an AA coded flight.
Yes, they can be booked and ticketed, but there are situations where they shouldn't be, and I don't know what consequences there might be, if any.
I did this for a friend once on a non-RTW ticket, and she was able to travel just fine, but of course things may be different in another case.