AD 55-22-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS-ARMSTRONG Model 745D Aircraft |
Unsafe Condition
Cracks have been found in the tailplane center section main spar extending along the lines of rivets attaching the web plate.
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Required Actions
Conduct initial and repetitive inspections as recommended in Vickers-Armstrong (Aircraft) Ltd. Preliminary Technical Leaflet No. 52 dated August 19, 1955, and implement Modification D.1384.
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Compliance Time
Compliance required as indicated.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Model 745D Aircraft, all serial numbers.
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Federal Register Abstract
Tailplane Main Spar
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_55-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 55-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS-ARMSTRONG Model 745D Aircraft Subject: Tailplane Main Spar Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 745D Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 55-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 55-22-04 SUBJECT HEADING: Airworthiness Directives; VICKERS-ARMSTRONG Model 745D Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 55-22-04 VICKERS-ARMSTRONG: Applies to All Viscount Model 745D Aircraft. Compliance required as indicated. Cracks have been found in the tailplane center section main spar extending along the lines of rivets attaching the web plate. Accordingly, Vickers-Armstrong (Aircraft) Ltd. issued Preliminary Technical Leaflet No. 52 dated August 19, 1955, covering this subject. The British Air Registration Board considers Modification D.1384, the initial and repetitive inspections recommended therein mandatory in which the FAA concurs. Aircraft complying with the limitations specified in PTL No. 52 will be considered serviceable. FOOTER:
Document Text
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AD Final Rules - DRS_55-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 55-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS-ARMSTRONG Model 745D Aircraft Subject: Tailplane Main Spar Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: 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: 55-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 55-22-04 SUBJECT HEADING: Airworthiness Directives; VICKERS-ARMSTRONG Model 745D Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 55-22-04 VICKERS-ARMSTRONG: Applies to All Viscount Model 745D Aircraft. Compliance required as indicated. Cracks have been found in the tailplane center section main spar extending along the lines of rivets attaching the web plate. Accordingly, Vickers-Armstrong (Aircraft) Ltd. issued Preliminary Technical Leaflet No. 52 dated August 19, 1955, covering this subject. The British Air Registration Board considers Modification D.1384, the initial and repetitive inspections recommended therein mandatory in which the FAA concurs. Aircraft complying with the limitations specified in PTL No. 52 will be considered serviceable. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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