Originally Posted by
beardoc
Although my experience is only an n=1 study, I've had QANTAS take over an IB ticketed DONE5 in the past and reissue with no fuss at all.
A long time ago, about 7 years ago that is, I had DONE4 issued by JL be reissued by QF who handled post-departure routing change. But it was very very difficult.