"The FAA has a credibility problem," said House Transportation subcommittee chairman Rep. Rick Larsen, D-W.Va. "The FAA must take steps to restore the public's confidence. The 737 MAX 8 has two angle-of-attack sensors sensors but only receives data from one. If that one sensor malfunctions and feeds incorrect data, the MCAS function fires off and will pitch the nose down. Rep. Peter DeFazio, D-Ore., asked in his opening statement.Later, DeFazio asked Elwell if it's correct that, prior to the Lion Air crash, the pilots didn't know the MCAS function was installed.Elwell acknowledged, "That's correct. "DeFazio also asked Elwell thought that MCAS function should have been more adequately explained to pilots.

Source: Ethiopian News May 15, 2019 15:11 UTC