EASA Regulations for Schempp-Hirth Duo Discus (powered)

Flight Controls — Airbrake End Stops / Bushings — Inspection / Replacement

EASA Airworthiness Directive 2020-0233 addresses inspection and replacement requirements for airbrake end stops and bushings on Schempp-Hirth Duo Discus sailplanes, including Duo Discus (powered), Duo Discus C, and Duo Discus T models. The directive targets specific serial numbers and mandates actions to prevent airbrake malfunction due to age-related damage. It applies to plastic bushings of 22 mm and single metal end stops used in these aircraft.