Glasair Aviation issued Service Bulletin 73 for all Sportsman and GlaStar Aircraft equipped with Garmin GSA 28 autopilot servos.
From the Service Bulletin:
Compliance Time: Before...
Submitted by Jim Sipprelle, Glasair I RG
Jim Sipprelle sent Stoddard-Hamilton a fax about some spoiler bumps that he has tried on his landing gear half...