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According to a memorandum sent to pilots by WestJet, the company first discovered software abnormalities when carrying out an operational verification flight for the Boeing 737 MAX in 2024. WestJet has reported the incident to Boeing and provided supporting data. WestJet said other airlines using the U14 or U14.1 version of the software have reported very few related failure cases.

Zhitongcaijing·10/02/2026 19:33:01
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According to a memorandum sent to pilots by WestJet, the company first discovered software abnormalities when carrying out an operational verification flight for the Boeing 737 MAX in 2024. WestJet has reported the incident to Boeing and provided supporting data. WestJet said other airlines using the U14 or U14.1 version of the software have reported very few related failure cases.