So in light of these latest photos, is it feasible that persistent vertical bounce (from the VH blades potentially) over time could weaken the whole roof structure enough for it to start to separate, causing the tail boom collapse and finally completely ripping the whole transmission and decking from the rest of the fuselage?
We know vibration causes cracks - anyone who has seen a station 290 crack on a Sea King will verify that - have they just been putting up with the vibrations not realising the potential for damage?