This one was in a BCM tube as well.
Sounds like we suffer from the same affliction.
Glad it's done. I am content & have piece of mind now it is straight, torqued and staked. I have a start point for info if the nut backs out under use too. I can say with certainly it was torqued to the minimum spec and it was staked. (I read and took serious the thread "Importance of castle nut staking")

