MMRanch wrote on 08/31/22 at 07:08:13: little lost washer that dropped inside the case. I wonder how probing with a magnet would work ?

Probably find everything made of metal down there !

Hay , just leave it in there - REX needs to eat something once in a while ...

or
Just turn it upside down and let it fall out ?
The offer is always out there for ya !
magnet requires luck and persistence to get past the things that are magnetic.
I would try putting the engine on the side and pumping oil thru to flush it out.
but I think, once it's on the bottom not much is going to get it off other than an evil Knievel jump.