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.
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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.
Federal Register Abstract
Aileron Control Chain Guard
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_52-24-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-24-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above Subject: Aileron Control Chain Guard Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Sierra Hotel Aero, Inc. Model: Navion (Army L-17A) | Navion A (Army L-17B and L-17C) | Navion B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 52-24-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-24-01 SUBJECT HEADING: Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-24-01 NAVION: Applies to All Models, Serial Numbers NAV-4-2 and Above. Compliance required as soon as possible but not later than November 1, 1952. In order to eliminate the possibility of the aileron control chain jamming, each end of the fiber channel chain guard should be reworked as shown in Figure 1. The chain and guard are on the control column. (Ryan Navion Field Service Bulletin No. 18 dated September 3, 1952, covers this same subject.) AD 52-24-01 FOOTER:
Document Text
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AD Final Rules - DRS_52-24-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-24-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above Subject: Aileron Control Chain Guard Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Sierra Hotel Aero, Inc. Model: Navion (Army L-17A) | Navion A (Army L-17B and L-17C) | Navion B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 52-24-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-24-01 SUBJECT HEADING: Airworthiness Directives; Navion All Models, Serial Numbers NAV-4-2 and Above ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-24-01 NAVION: Applies to All Models, Serial Numbers NAV-4-2 and Above. Compliance required as soon as possible but not later than November 1, 1952. In order to eliminate the possibility of the aileron control chain jamming, each end of the fiber channel chain guard should be reworked as shown in Figure 1. The chain and guard are on the control column. (Ryan Navion Field Service Bulletin No. 18 dated September 3, 1952, covers this same subject.) AD 52-24-01 FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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