Originally Posted by
hirohito888
To be fair, 772 retrofit did require re-installing all Y seats from 3-3-3 to 3-4-3 and also some lav rework/updating.
I would expect the 787 retrofit to be quicker with just re-installing J seats and adding PE.
This is true, it might also speed up a bit once they get the hang of things. The 772's are definitely a very extensive retrofit in comparison.