AD 72-02-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Allied Ag Cat Productions, Inc. | G-164A | Airworthiness Directives; Grumman Model G-164A Airplanes |
Unsafe Condition
Fuel leakage resulting from cracks in the threaded area of certain aluminum alloy fuel line fittings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace two AN911-3D pipe thread nipples in the carburetor inlet line and one AN911-3D nipple at the outlet boss of the in-line fuel strainer with corrosion resistant steel nipples P/N AN911-3S, AN911-3K, or AN911-3J. Replace the aluminum AN912-4D reducer at the carburetor fuel inlet boss with corrosion resistant steel reducers P/N AN912-4S, AN912-4K, or AN912-4J.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours in service
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Affected Aircraft
Grumman Model G-164A airplanes equipped with any P&W R-1340 model engine.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Line Fitting Leakage
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_72-02-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-02-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman Model G-164A Airplanes Subject: Fuel Line Fitting Leakage Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/18/1972 Make: Allied Ag Cat Productions, Inc. Model: G-164A Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 72-02-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1538 AD NUMBER: 72-02-02 SUBJECT HEADING: Airworthiness Directives; Grumman Model G-164A Airplanes ACTION: SUMMARY: DATES: Effective October 18, 1972. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-02-02 GRUMMAN AIRCRAFT: Amendment 39-1374 as amended by Amendment 39-1538. Applies to Type G-164A airplanes equipped with any P&W R-1340 model engine. Compliance required within the next 25 hours in service, unless already accomplished, after the effective date of this AD. To preclude the possibility of fuel leakage resulting from cracks in the threaded area of certain aluminum alloy fuel line fittings, accomplish the following: 1. Replace two AN911-3D pipe thread nipples located in the carburetor inlet line and one AN911-3D nipple located at the outlet boss of the in-line fuel strainer mounted on the firewall bulkhead with corrosion resistant steel nipples P/N AN911-3S, AN911-3K or AN911-3J. 2. Replace the aluminum AN912-4D reducer at the carburetor fuel inlet boss with corrosion resistant steel reducers P/N AN912-4S or AN912-4K or AN912-4J. Grumman S/B No. 46 and 49 covers this same subject. Amendment 39-1374 was effective January 20, 1972. This Amendment 39-1538 is effective October 18, 1972. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_72-02-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 72-02-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman Model G-164A Airplanes Subject: Fuel Line Fitting Leakage Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/18/1972 Make: Allied Ag Cat Productions, Inc. Model: G-164A 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: 72-02-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1538 AD NUMBER: 72-02-02 SUBJECT HEADING: Airworthiness Directives; Grumman Model G-164A Airplanes ACTION: SUMMARY: DATES: Effective October 18, 1972. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 72-02-02 GRUMMAN AIRCRAFT: Amendment 39-1374 as amended by Amendment 39-1538. Applies to Type G-164A airplanes equipped with any P&W R-1340 model engine. Compliance required within the next 25 hours in service, unless already accomplished, after the effective date of this AD. To preclude the possibility of fuel leakage resulting from cracks in the threaded area of certain aluminum alloy fuel line fittings, accomplish the following: 1. Replace two AN911-3D pipe thread nipples located in the carburetor inlet line and one AN911-3D nipple located at the outlet boss of the in-line fuel strainer mounted on the firewall bulkhead with corrosion resistant steel nipples P/N AN911-3S, AN911-3K or AN911-3J. 2. Replace the aluminum AN912-4D reducer at the carburetor fuel inlet boss with corrosion resistant steel reducers P/N AN912-4S or AN912-4K or AN912-4J. Grumman S/B No. 46 and 49 covers this same subject. Amendment 39-1374 was effective January 20, 1972. This Amendment 39-1538 is effective October 18, 1972. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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