AD 58-10-08
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; VICKERS Model 700 Series Aircraft |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Model 700 Series Aircraft |
Unsafe Condition
Failure of main chassis retraction jack bolts, Vickers P/N 74450-341, due to overtightening of nut Vickers P/N 74450-85.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install improved design nut Vickers P/N 74450-423 to replace old nut Vickers P/N 74450-85. Follow Vickers-Armstrongs Modification No. D.2278.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
July 31, 1958
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 700 Series Aircraft equipped with 14-inch stroke landing gear oleos.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Nut Replacement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_58-10-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-10-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 700 Series Aircraft Subject: Landing Gear Nut Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 744 | Viscount 745D Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 58-10-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-10-08 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 700 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-10-08 VICKERS: Applies to All Viscount 700 Series Aircraft Equipped With 14-Inch Stroke Landing Gear Oleos. Compliance required by July 31, 1958. Failures have occurred in the main chassis retraction jack bolts, Vickers P/N 74450-341, which are located in the inner nacelle, port and starboard, due to overtightening of the nut, Vickers P/N 74450-85. In order to preclude these failures, a nut of improved design, Vickers P/N 74450-423 must be installed to replace the old nut, Vickers P/N 74450-85. The British Air Registration Board considers this mandatory. The FAA concurs with this action and considers compliance therewith mandatory. (Vickers-Armstrongs Modification No. D.2278 covers this subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_58-10-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-10-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 700 Series Aircraft Subject: Landing Gear Nut Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 744 | Viscount 745D Product Type: Aircraft Product Subtype: Large 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: 58-10-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-10-08 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 700 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-10-08 VICKERS: Applies to All Viscount 700 Series Aircraft Equipped With 14-Inch Stroke Landing Gear Oleos. Compliance required by July 31, 1958. Failures have occurred in the main chassis retraction jack bolts, Vickers P/N 74450-341, which are located in the inner nacelle, port and starboard, due to overtightening of the nut, Vickers P/N 74450-85. In order to preclude these failures, a nut of improved design, Vickers P/N 74450-423 must be installed to replace the old nut, Vickers P/N 74450-85. The British Air Registration Board considers this mandatory. The FAA concurs with this action and considers compliance therewith mandatory. (Vickers-Armstrongs Modification No. D.2278 covers this 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.