Ref pics in Post Training wheels
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http://www.pprune.org/rumours-news/5...ml#post8815363
First four pics: Multiple alternating, relatively parallel fold lines resulting in flattened panel from original curved, suggesting broad area force on fuse bottom 'pushing' up. Last two pics less clear, especially the drawn green fold line on #6 LR. Unclear why panel bearing FLY in #5LL could not be a 45 deg fold/peel aft from AC top center, or foldup/peel from tear running up and aft through window line, ie optical illusion? Need more pics.
Third photo at:
Tail of crashed AirAsia flight found - Asia-Pacific - Al Jazeera English
shows skin stripped off fuse frames and stringers, frames retaining their shape, fuselage orientation unclear other than light indicating up is up, unidentified as whether part of other fuselage pics or from a different fuse section.
Might this suggest paper bag (cabin air-only) type explosion blowoff of a large area of skin from flat impact, high vertical velocity? If not what else could cause this?