Hearing several reports that TUIB might not be salvageable? Something’s to do with the size of the hole and the way the skin is constructed in that part. Normal patch can’t quite cover it?
Given that there was a hole burned in the roof of ET-AOP at Heathrow and it was declared a write up by many of us I suspect Boeing may yet surprise us. They're writing the book on how to repair these composite aircraft, they've also spent millions bringing the "terrible teens" up to spec on rebuild so a write off is not what they'd look to do unless it was beyond repair IMHO.