AD 58-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Hamilton Standard | Propeller Blades | HAMILTON STANDARD Models 2H17K3, 2H17U3, 2H17AA3 and 2H17AC3 Propellers |
Unsafe Condition
2H17K3, 2H17U3, and 2H17AA3 blades have a substantial reduction in fatigue resistance after 5,000 operational hours. 2H17AC3 blades may require removal due to limited service data at 5,400 operational hours.
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Required Actions
Remove 2H17K3, 2H17U3, and 2H17AA3 blades from service after 5,000 operational hours. Remove 2H17AC3 blades after 5,400 operational hours.
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Compliance Time
Compliance required as indicated.
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Affected Aircraft
Hamilton Standard Models 2H17K3, 2H17U3, 2H17AA3, and 2H17AC3 Hollow Steel Propeller Blades.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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