AD 69-11-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Slingsby Aviation Ltd. | Type T.53.B. | Airworthiness Directives; Slingsby Model T.53.B Gliders |
Unsafe Condition
The fuselage center section structure may fail due to fatigue cracking.
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Required Actions
Modify the fuselage center section structure in accordance with Slingsby Technical Instruction No. 39, dated March 1969, or later ARB-approved issue or FAA-approved equivalent.
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Compliance Time
before further flight after the effective date of this AD
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Affected Aircraft
Slingsby Aviation Ltd. Model T.53.B Gliders, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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