Boeing, as the manufacturer of the 737 has a vested interest in covering up any shortcomings (and any costly compensation) with a faulty aircraft. Any country

Boeing, as the manufacturer of the 737 has a vested interest in covering up any shortcomings (and any costly compensation) with a faulty aircraft. Any country who would hand over the black box to the aircraft's manufacturer without previously copying of the information held on that black box would be criminally stupid.