The company eventually implemented a multi-step fix, which included updating the software to make MCAS rely on data from two sensors and giving pilots the ability to easily cut power to the system. In both incidents, this sensor provided a false reading, likely due to improper maintenance or a manufacturing defect.
Global Airlines 737 MAX Response and Safety Measures
Regulators in multiple countries moved to ground the 737 MAX, and airlines canceled thousands of flights. The flight data recorder indicated that the MCAS system was receiving erroneous signals from a single angle-of-attack sensor, causing the aircraft to nose down repeatedly.
The MCAS interpreted this incorrect data as an imminent stall and commanded a nose-down input. Less than five months later, Ethiopian Airlines Flight 302 met a similar fate near Addis Ababa, exhibiting nearly identical technical malfunctions.
Global Airlines 737 MAX Response and Safety Measures
Families of the victims filed wrongful death suits, and regulatory bodies imposed substantial fines. Its primary function is to counteract a specific aerodynamic characteristic that emerged from the aircraft's design modifications, particularly the larger engines mounted further forward.
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