That's a nice bit of CNC machining, Pilot-DAR

Not as pricey as one might imagine, though probably is by the time the paperwors is generated...
a moisture/freezeup on a seneca for the stabilator.
I've had that too, and know of several instances of people I know. It seems to be either incorrect lube (my case) or some level of water ingress, all the way to the tail section of a PA46 filling up with a massive amount of water during a downpour followed rapidly by a climb to high altitude.