BB
So defensive, sound like SASlass when the Chinook is shown to be a flawed design. I did find this on Google before:
https://www.federalregister.gov/arti...boeing-defense
but it is just the clean up actions. I was looking for a report like the AAIB puts out where the facts are detailed.
From the above. The blades voided, probably had water in them, high 1/rev, causing fatigue failure of the aft pylon. Result the same as on a lot of CH-46's with the same result.
The Sultan