what was the original failure and what was damage as a consequence of the
aircraft crashing. At a small hole near the corner of a window evidence of
fatigue damage was found and emanating from this were what were considered
to be the cracks responsible for the initial failure.
As part of the investigation a pressure cabin section was subjected to
pressure tests to simulate the effects of flights. The fuselage of a pressurized
aircraft is rather like a cylindrical vessel which is pressurized every time the
aircraft climbs and pressure-reduced every time it descends. In the simulation
the fuselage was immerse ...
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