JFZ90
For what it's worth, Rolls is parsing their information, as they are free to do, and as would I were I in their loafers. They deny a "Design Modification", which is NOT the same as a Replacement part. Note that the NEW PART has the same Part number as the one on A and B Models!!
Only lawyers can write like this, and if one believes this release didn't detour through Legal, one is myopic. Not you, certainly