AD 62-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 520 | Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft |
| aircraft | Twin Commander Aircraft LLC | 560 | Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft |
Unsafe Condition
Fluid line chafing in the wing trailing edge area and fuel leakage in the aft fuselage and electronic equipment area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the fuel system aluminum drain tubing with flexible hose assemblies per Aero Commander Service Bulletin No. 77 or FAA approved equivalent. Modify the wing trailing edge between wing Stations 24.00 and 59.00 per Aero Commander Service Bulletin No. 79 or FAA approved equivalent.
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Compliance Time
within the next 25 hours' time in service after the effective date of this directive
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Affected Aircraft
Aero Commander Models 520 and 560 Aircraft with serial numbers 1 through 230
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Federal Register Abstract
Fuel Line Modification
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_62-08-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-08-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft Subject: Fuel Line Modification Status: Current Citation: Federal Register: April 11, 1962 Citation Publish Date: 04/11/1962 Effective Date: 04/11/1962 Make: Twin Commander Aircraft LLC Model: 520 | 560 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-08-02 CITATION: [Federal Register: April 11, 1962] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-08-02 SUBJECT HEADING: Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft ACTION: SUMMARY: DATES: Effective April 11, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-08-02 AERO COMMANDER: Amdt. 418 Part 507 Federal Register April 11, 1962. Applies to Models 520 and 560 Aircraft With Serial Numbers 1 Through 230. Compliance required within the next 25 hours' time in service after the effective date of this directive. As a result of reported cases of fluid line chafing in the wing trailing edge area and fuel leakage in the aft fuselage and electronic equipment area, the following corrective action is required: (a) Replace the fuel system aluminum drain tubing with flexible hose assemblies in accordance with Aero Commander Service Bulletin No. 77 dated March 16, 1962, or FAA approved equivalent. (b) Modify the wing trailing edge between wing Stations 24.00 and 59.00 in accordance with Aero Commander Service Bulletin No. 79 dated March 16, 1962, or FAA approved equivalent. This directive effective April 11, 1962. FOOTER:
Document Text
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AD Final Rules - DRS_62-08-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-08-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft Subject: Fuel Line Modification Status: Current Citation: Federal Register: April 11, 1962 Citation Publish Date: 04/11/1962 Effective Date: 04/11/1962 Make: Twin Commander Aircraft LLC Model: 520 | 560 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: 62-08-02 CITATION: [Federal Register: April 11, 1962] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-08-02 SUBJECT HEADING: Airworthiness Directives; Aero Commander Models 520 and 560 Aircraft ACTION: SUMMARY: DATES: Effective April 11, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-08-02 AERO COMMANDER: Amdt. 418 Part 507 Federal Register April 11, 1962. Applies to Models 520 and 560 Aircraft With Serial Numbers 1 Through 230. Compliance required within the next 25 hours' time in service after the effective date of this directive. As a result of reported cases of fluid line chafing in the wing trailing edge area and fuel leakage in the aft fuselage and electronic equipment area, the following corrective action is required: (a) Replace the fuel system aluminum drain tubing with flexible hose assemblies in accordance with Aero Commander Service Bulletin No. 77 dated March 16, 1962, or FAA approved equivalent. (b) Modify the wing trailing edge between wing Stations 24.00 and 59.00 in accordance with Aero Commander Service Bulletin No. 79 dated March 16, 1962, or FAA approved equivalent. This directive effective April 11, 1962. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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