AD 74-09-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Revo, Incorporated | Lake LA-4-200 | Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes |
Unsafe Condition
The possibility of engine stoppage resulting from contamination in the fuel injector due to a flush insert in the restrictor fitting P/N 2-6750-41.
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Required Actions
Inspect the restrictor fitting P/N 2-6750-41 to determine if it has a flush or recessed insert. If the insert is flush, disassemble and clean the fuel injector areas as specified in Service Bulletin B51, remove the restrictor fitting, and replace it with P/N 2-6750-83 or an FAA approved equivalent. Equivalent methods require approval from the FAA.
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Compliance Time
within the next twenty-five (25) hours time in service after the effective date of this AD
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Affected Aircraft
All Model LA-4-200 airplanes through Serial Number 601 manufactured by Consolidated Aeronautics.
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Federal Register Abstract
Fuel Restrictor Fitting
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-09-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-09-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes Subject: Fuel Restrictor Fitting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/10/1974 Make: Revo, Incorporated Model: Lake LA-4-200 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-09-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1826 AD NUMBER: 74-09-06 SUBJECT HEADING: Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes ACTION: SUMMARY: DATES: Effective May 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-09-06 CONSOLIDATED AERONAUTICS: Amendment 39-1826. Applies to all Model LA-4-200 airplanes through Serial Number 601. Compliance required, unless already accomplished, within the next twenty-five (25) hours time in service after the effective date of this AD. To preclude the possibility of engine stoppage resulting from contamination in the fuel injector, accomplish the following: 1. Inspect the restrictor fitting, P/N 2-6750-41, to determine if it has a flush or recessed insert in accordance with Lake Aircraft, Division of Consolidated Aeronautics, Service Bulletin No. B51, or later FAA approved revision. 2. If the restrictor fitting has a recessed insert, no further action is required. 3. If the restrictor fitting has a flush insert, accomplish the following: a. Disassemble and clean the areas of the fuel injector specified in Lake Aircraft, Division of Consolidated Aeronautics, Service Bulletin No. B51, or later FAA approved revision or by FAA approved equivalent method. b. Remove the restrictor fitting and replace with P/N 2-6750-83, or later FAA approved equivalent. 4. Equivalent methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, New England Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Chief Engineer, Lake Aircraft, Division of Consolidated Aeronautics, Inc., P. O. Box 312, Sanford, Maine 04073. These documents may also be examined at the Office of the Regional Counsel, New England Region, FAA, 12 New England Executive Park, Burlington, Massachusetts 01803 and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C., and at the New England Regional Office in Burlington, Massachusetts. This amendment becomes effective May 10, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_74-09-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-09-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes Subject: Fuel Restrictor Fitting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/10/1974 Make: Revo, Incorporated Model: Lake LA-4-200 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: 74-09-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1826 AD NUMBER: 74-09-06 SUBJECT HEADING: Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes ACTION: SUMMARY: DATES: Effective May 10, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-09-06 CONSOLIDATED AERONAUTICS: Amendment 39-1826. Applies to all Model LA-4-200 airplanes through Serial Number 601. Compliance required, unless already accomplished, within the next twenty-five (25) hours time in service after the effective date of this AD. To preclude the possibility of engine stoppage resulting from contamination in the fuel injector, accomplish the following: 1. Inspect the restrictor fitting, P/N 2-6750-41, to determine if it has a flush or recessed insert in accordance with Lake Aircraft, Division of Consolidated Aeronautics, Service Bulletin No. B51, or later FAA approved revision. 2. If the restrictor fitting has a recessed insert, no further action is required. 3. If the restrictor fitting has a flush insert, accomplish the following: a. Disassemble and clean the areas of the fuel injector specified in Lake Aircraft, Division of Consolidated Aeronautics, Service Bulletin No. B51, or later FAA approved revision or by FAA approved equivalent method. b. Remove the restrictor fitting and replace with P/N 2-6750-83, or later FAA approved equivalent. 4. Equivalent methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, New England Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Chief Engineer, Lake Aircraft, Division of Consolidated Aeronautics, Inc., P. O. Box 312, Sanford, Maine 04073. These documents may also be examined at the Office of the Regional Counsel, New England Region, FAA, 12 New England Executive Park, Burlington, Massachusetts 01803 and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C., and at the New England Regional Office in Burlington, Massachusetts. This amendment becomes effective May 10, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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