AD 75-17-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Slingsby Aviation Ltd. | T.59.D Kestrel | Airworthiness Directives; Slingsby T59D Kestrel Gliders |
Unsafe Condition
Dive brake retraction failure
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a placard on the instrument panel within 10 hours' time in service, and replace the dive brake control mechanism with P/N 59A-45-717 within 50 hours' time in service. The placard may be removed after completing the mechanism replacement.
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Compliance Time
within the next 10 hours' time in service after the effective date of this AD (for placard installation) and within the next 50 hours' time in service after the effective date (for mechanism replacement)
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Affected Aircraft
Slingsby Aviation Ltd. T59D Kestrel gliders certificated in all categories
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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