Boeing jet crashed in Indonesia after key sensor replaced

A crucial sensor was replaced on a Lion Air jet the day before it plunged into the Java Sea, and that sensor replacement may have exacerbated other problems with the plane, Indonesian investigators said Wednesday. That sensor, known as the "angle of attack" sensor, keeps track of the angle of the aircraft nose to help prevent the plane from stalling and diving. Earlier this week, Indonesian officials hinted that airspeed indicators played a role in the Oct 29 crash. The jet's airspeed indicator malfunctioned on its last 4 flights, and that problem was related to the sensor issue, said Indonesia's NTSC Wednesday. Lion Air's first 2 attempts to address the airspeed indicator problem didn't work, and for the Boeing 737 MAX 8 plane's second-to-last flight Oct 28, the angle of attack sensors were replaced. <br/>