AD Amdt-39-11341
Unsafe Condition
Cracks in the fastening (knurled) nut at the rear control stick could lead to the inability to use the rear control stick, potentially resulting in loss of control during flight instruction operations.
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Required Actions
Inspect the fastening (knurled) nut at the rear control stick for cracks during preflight checks. Replace the nut with one made of stainless steel immediately if cracks are found, or at a specified time period if no cracks are detected. Preflight checks are no longer required after the nut is replaced.
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Compliance Time
Within a specified time period if no cracks are found during preflight checks; immediately if cracks are detected.
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Affected Aircraft
Burkhart Grob Luft-Und Raumfahrt GmbH & CO KG Models G103 TWIN II and G103A TWIN II ACRO sailplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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