Thanks for clearing that up, plazbot.
Easy as it is to fail, I was a bit concerned that it was that easy.
The impression I was left with was that it basically all came down to your sim instructor and that if you appealed it still ended up back with the same instructor who had already formed their opinion of you.
Obviously there was beer involved at the bbq, and it may well have coloured this bloke's recollection of the events.