One of two aircraft «Air Force One» Boeing 747-200B, designed for the movement of the US President, has been damaged during maintenance work in early April 2016, which could lead to fire or explosion on Board, CNN reports.
According to this source, the mistake was made by mechanics of the Boeing company during maintenance in San Antonio (Texas): when checking the oxygen system was using improper tools, which led to pollution, whose consequences could be catastrophic.
Total loss of the presidential plane is estimated at four million dollars. The repair will be carried out at the expense of Boeing. What punishment waits guilty, is unclear.