sb sfo
I had not considered that. We are on exactly the same page, except for one thing.
I do not think the "proposed change" was architectural, but
chemical.
They reported they were switching to Manganese Oxides prior to delivery of the first 787 to ANA, its debut client.....as I recall.
So you got my point re "new". Yep.
A "fresh" unit of an "old" technology, etc.