AD 52-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sierra Hotel Aero, Inc. | Navion (Army L-17A) | Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above |
| aircraft | Sierra Hotel Aero, Inc. | Navion A (Army L-17B and L-17C) | Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above |
| aircraft | Sierra Hotel Aero, Inc. | Navion B | Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above |
Unsafe Condition
The aileron control chain guard may jam, leading to potential control column malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rework each end of the fiber channel chain guard as shown in Figure 1 to prevent jamming. Follow Ryan Navion Field Service Bulletin No. 18 dated September 3, 1952.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but not later than November 1, 1952
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Affected Aircraft
Sierra Hotel Aero, Inc. Navion All Models, serial numbers NAV-4-2 and above
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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