Yes the interesting part is that the engineers said they do this thorough overhaul once in a year, and this is how they get to know the plan that is extremely bad or that can not work again.
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Yes the interesting part is that the engineers said they do this thorough overhaul once in a year, and this is how they get to know the plan that is extremely bad or that can not work again.
I hope they work on it well even if it would work again because passenger's lives should be protected..