In the middle of takeoff: the engine cover on the Boeing plane was torn off and dislodged. Southwest Airlines: "The plane is suffering from a'mechanical problem'" The aircraft engine cover is usually made of metal and plays an important role in flight in reducing drag and increasing speed.
The incident with Flight 3695 may increase the tensions surrounding Boeing planes, which have recently made headlines due to failures in the company's planes. The incident led to the resignation of Boeing CEO David Calhoun as well as several other Boeing executives.