Originally Posted by
cxfan1960
One time when I received a Y->J op-up, I did not even take a look until boarding. I got 86H^!! I wondered who was that "unlucky" fellow who got "bumped" from 86H by me

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Row 86 are often occupied by Diamond members.
So, probably, one assigned in 86H was bumped to F class.
Last year, I had 86C seat assignment on flight HKG to LHR,
and was bumped to F.
I don't have a concrete idea about who occupied my 86C.
But,....