I have about 250 hrs on my 701 and I've had to readjust the main landing gear rubber spacers several times, especially after a hard landing. I never had the bottom rubber spacer slip, only the top one. I added a 90 mm "L" angle bracket under the strut bracket to keep the rubber from slipping out. I went out and did some intentional hard landings and so far the rubber spacers are staying in place.…