Initial investigation suggests warning lights had lit up on three flights in the month or so before the one where the door blew out.
‘Alaska Airlines decided to restrict the aircraft from long flights over water so that the plane “could return very quickly to an airport” if the warning light reappeared, said Jennifer Homendy, chair of the US National Transportation Safety Board (NTSB).’
That’s scandalous really. How was the plane not grounded?