Originally Posted by
serfty
Exactly!
When booking a A/DONEx (or A/DGLOBnn etc.) one chooses whether or not to travel in a lower (or higher where applicable) class cabin at the time of booking.
For an airline to substitute equipment that does not support the cabin originally booked should be (and IMHO, is) completely different.
I don't see that it is different. The service was changed such that the highest offered cabin is business class and was accommodated in the business cabin. Under the fare rules, QF is perfectly correct in that there is no compensation.
If he wanted to travel in 1st in this instance, would need to speak to the airline at the time and ask to be rebooked onto another service that offered it which may have been a day later
Dave