Originally Posted by
dipperm0
RVDT, thanks for the clear explanations.
As you mention it, the fact that the airframe end of the suspension bar looks undamaged questions about the missing bolt. Whatever the securing device for this bolt is - cotter pin, nut, caramel, the question is why is it missing ? Maintenance flaw or metal shear ?
And to be clear for readers, HUMS can not detect missing bolts or nuts
But HUMS would pick up the vibration caused by the missing bolt!