and prior model 737 Next Generation (NG), may have been improperly manufactured. Boeing said the part known as a leading-edge slat track — a mechanism that modifies the lift and drag ...

These leading edge slats provide the lift necessary at low speeds, with the gap between the wing and the slats directing air from the underside of the wing to the top. Unfortunately, this gap also ...

The agency will require these parts to be quickly replaced, it said on Sunday. It’s the latest issue to hit the world’s largest plane-maker. The FAA said up to 148 leading edge slat tracks ...

The wings are custom designed and feature double slats on the leading edge, combined with large flaps and drooping ailerons on the trailing edge. The slats form an almost seamless part of the wing ...