United StatesBoeing’s own software update created a 737 MAX landing fault.

Pilots can lose automated flight guidance when crews alter course after a missed approach.

Boeing told all 737 operators last month and says engineers are still writing a permanent software fix.

Boeing says reinforced pilot procedures cover the case, but Southwest and United asked for earlier software on new jets.

The FAA convenes a Corrective Action Review Board, and the number of affected aircraft is unknown.

How each outlet framed it
Aol
identifies specific trigger: pilots altering flight path after missed approach

Sources: Aol