AD 2012-16-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; HPH s. r.o. Sailplanes |
Unsafe Condition
The lack of a drain hole in the elevator control rod may allow water to accumulate, leading to possible corrosion and failure of the elevator control rod, which could result in loss of control of the sailplane.
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Required Actions
Inspect the elevator control rod within 30 days after the effective date. If deficiencies are found, replace the rod with one that has a drain hole before further flight. Replace the rod with one that has a drain hole within 9 months after the effective date, unless already replaced. Do not install an elevator control rod without a drainage hole.
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Compliance Time
Within 30 days and 9 months after September 12, 2012
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Affected Aircraft
HPH s. r.o. Models 304C, 304CZ, and 304CZ-17 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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