After a couple of weeks the old MD-87 seats are now installed and nearly as new. My wife has worked hard to re-cover the two seats and it's with a great result. Fun to work with professional material even that it's 25 years old.
The chairs have been washed and spray painted with RAL-7011. The seat rails are homemade based on two pieces of aluminium put together. I have reused the original locks. In the MD they did not go straight back but out to each side. Quite simple to change this so they now just go straight back,
They are now installed and work perfect.