If it’s something as simple as a dodgy seat switch why don’t they come out with an interim finding? Surely a quick chat with all the crew in the cockpit and a 5 minute poke around the switch would confirm this.
That the aircraft was deemed fit to ferry back to Santiago a couple of days later indicates that there were no serious underlying design or technical issues of concern.
Starting to look like this issue is now in the hands of the respective company’s
PR departments.