This is a in field rebuild that depicts it being repaired and put back into service, without the garage and a lot of tools, and my hats off to this guy for improvising as needed 👍.
Way too much sealant used. Extruded blobs of this will drop off into the gearbox, and can block oil passage ways. Even saw large blobs of it smeared over the internal selector when he misaligned the gear cluster when putting it in the case. This is really bad practice.