Mechanical failure is one of the main reasons behind a flight crash. Even small technical problems, like engine trouble or issues with the landing gear, can cause big accidents. Planes are checked often, but sometimes a hidden fault goes unnoticed. A famous example is the TWA Flight 800 crash, where an explosion in the fuel tank led to a deadly crash. Visit: https://airlineofficesdetail.com/blog/why-flight-crashes-are-dangerously-increasing-in-our-world/