AD 2011-21-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Various | Airworthiness Directives; Diamond Aircraft Industries Powered Sailplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries Powered Sailplanes |
Unsafe Condition
A failed air brake control system torsion tube due to corrosion damage may lead to failure of the air brake control system in flight, resulting in reduced control of the aeroplane.
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Required Actions
Remove, test, and inspect the air brake control system torsion tube for corrosion damage. If corrosion damage is found, replace the affected torsion tube with a serviceable part and apply an anticorrosive agent to the inside of the torsion tube before installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months after November 23, 2011
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Affected Aircraft
Diamond Aircraft Industries Model H-36 'DIMONA' powered sailplanes, 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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