AD 85-06-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Alexander Schleicher GmbH & Co. | ASK 21 | Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders |
Unsafe Condition
The main wheel fairing may cause structural damage to the fuselage wheel well box cutout and loosen a rib during a hard landing, leading to aileron control problems.
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Required Actions
Inspect the wheel box cutout in the fuselage for clearance and modify if necessary in accordance with Actions 1 through 5 of Alexander Schleicher ASK-17 Technical Note No. 17 dated October 1, 1984, or an FAA-approved equivalent.
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Compliance Time
prior to next flight
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Affected Aircraft
Alexander Schleicher GmbH & Co. Model ASK 21 Gliders, serial numbers 21194 through 21228
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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