Originally Posted by
Lead Balloon
Seems to me to be very, very odd that out of the bolts that are visible, only one has a nut. Others appear to have a washer in place and one appears to have snapped off. The visible threads seem 'clean', as if they have had nuts driven on them relatively recently. The plate shows signs of washers having been in place.
Compare picture 2 to 3 and you see in 2 all of the nuts missing as well as the larger tube which in picture 3 is being held by one nut. It looks to me like the pictures are out of sequence, and show the part which failed being removed from the prop assembly as part of the investigation process.