AD 2010-15-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Aircraft Industries a.s. Model L 23 Super Blanik Gliders |
Unsafe Condition
Cracks on the stabilizer elevator inner hinges of seven L 23 SUPERBLANÍK sailplanes have been detected during an inspection. This condition, if not corrected, could result in no longer retaining the elevator in place and in jamming of the Pilot's elevator control system, and subsequent loss of elevator control.
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Required Actions
Inspect the elevator inner hinges on the stabilizer following paragraphs A.1., A.2., and A.4. of Aircraft Industries, a.s. Mandatory Bulletin MB No.: L23/052a, dated March 2, 2010. If any elevator inner hinge is cracked or damaged, replace it following paragraphs A.3. and A.4. of the same bulletin. Repeat inspections at intervals not to exceed every 1,000 hours time-in-service.
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Compliance Time
Before further flight as of April 6, 2010 (the effective date of AD 2010-08-01).
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Affected Aircraft
Aircraft Industries a.s. Model L 23 Super Blanik Gliders, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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