On Dec 23, 7:31*am, Geoff Brown
wrote:
I've been trying to find anything on the www that shows how to access the
pivot bolt that secures the air brake bell crank that is located in the air
brake box on an ASK21.

I've had no luck. *Does anyone else have any pointers?

Thanks

I've been associated with a couple of these situations. If your shop
knows exactly where, one or two 5cm round holes can be cut in the
bottom skin through which a wrench will fit. A perfectly round hole
is a simple repair and you'll never see where it was.

Why do you need access?