AD 47-10-40
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8 | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8A | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8B | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8C | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8D | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
| aircraft | Don Luscombe Aviation History Foundation, Inc. | 8E | Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft |
Unsafe Condition
Failure of the rudder control arm attachment to the torque tube due to insufficient reinforcement, which could result in loss of rudder control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the attachment of the rudder control arm to the torque tube to ensure it is reinforced by a steel strap fully encircling the torque tube and securely welded to both fore and aft flanges of the rudder control arms and torque tube. If the reinforcement is inadequate, perform repairs as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to May 1, 1947
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
LUSCOMBE Model 8 Series Aircraft, serial numbers 1934 to 2200 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rudder Control Arm Reinforcement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-10-40.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-10-40 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft Subject: Rudder Control Arm Reinforcement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Don Luscombe Aviation History Foundation, Inc. Model: 8 | 8A | 8B | 8C | 8D | 8E 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 47-10-40 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-10-40 SUBJECT HEADING: Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-10-40 LUSCOMBE: (Was Mandatory Note 11 of AD-694-4.) Applies to Model 8 Series Aircraft Serial Numbers 1934 to 2200 Inclusive. Compliance required prior to May 1, 1947. Determine if the attachment of the rudder control arm to the torque tube has been reinforced by a steel strap that extends completely around the torque tube and is securely welded to both the fore and aft flanges of the rudder control arms and the torque tube. If the reinforcing steel strap is not properly located and welded to both flanges, a repair should be made. (Luscombe Service Bulletin No. 4-46 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-10-40.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-10-40 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft Subject: Rudder Control Arm Reinforcement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Don Luscombe Aviation History Foundation, Inc. Model: 8 | 8A | 8B | 8C | 8D | 8E 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 47-10-40 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-10-40 SUBJECT HEADING: Airworthiness Directives; LUSCOMBE Model 8 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-10-40 LUSCOMBE: (Was Mandatory Note 11 of AD-694-4.) Applies to Model 8 Series Aircraft Serial Numbers 1934 to 2200 Inclusive. Compliance required prior to May 1, 1947. Determine if the attachment of the rudder control arm to the torque tube has been reinforced by a steel strap that extends completely around the torque tube and is securely welded to both the fore and aft flanges of the rudder control arms and the torque tube. If the reinforcing steel strap is not properly located and welded to both flanges, a repair should be made. (Luscombe Service Bulletin No. 4-46 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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