1989 J. 3300 hours. Hangared. I've become less dependent on the electric trim because of my own experience that I reported on MS, as well as others.'  I use the manual trim wheel when flying the airplane, especially on departure and landing. Upon returning to my home airport after a short flight last week, I reached down to the wheel to begin trimming for the approach and landing.  I could not budge it!  I could not move it at all. I used the electric trim to set up the approach, but I coul