Somebody before us installed the Planetary Lock Plate in the NP208 with bolts that were too long.
They ground into the surface of the planetary assembly when it rotated:
The thing had to make a heck of a grinding noise when it was in Low... if it even went in all the way.
We'll be addressing this along with missing thrust plates on the front output shaft and a few other
comparatively small items.
Good thing he tore into it.