It's the first I've heard about this, sounds like something about the merlin engines. I had a play with a griffon so I know it wasn't me...honest guv!
Going back to your earlier post, I don't know what they consider to be a preferential posting either!
The annoying thing is that there are masses of postings coming up that sound interesting but none of us can get them due to Manning levels on Tornado being critical for the next 18 months until retirement.
No idea if I'll get my acting third (Stripe) but speaking to my reporting officer who writes my yearly report (SJAR), or if you're old enough like me a 6000!, I'm doing very well exceeding their expectations of me so who knows.