AD 56-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft |
Unsafe Condition
Cracks appearing in nose gear brackets P/N 4FS.401 and 4FS.402 which form part of the main attachment structure of the nose undercarriage leg.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect brackets P/N 4FS.401 and 4FS.402 for cracks and comply with de Havilland Service Technical News Sheet CT (104) No. 124, Issue 2, dated December 20, 1955.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at the earliest opportunity but not later than August 15, 1956
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Affected Aircraft
de Havilland Aircraft Co., Ltd., Model D.H. 104 Dove Series 1A, 2A, 5A, and other series as listed in the source
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Nose Gear Brackets
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_56-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 56-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft Subject: Nose Gear Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: de Havilland Aircraft Co., Ltd., The Model: D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more 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: 56-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 56-15-04 SUBJECT HEADING: Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 56-15-04 de HAVILLAND: Applies to All Model 104 "Dove" Aircraft. Compliance required as indicated. Cases have been reported of cracks appearing in the brackets P/N 4FS.401 and 4FS.402 which form part of the main attachment structure of the nose undercarriage leg. The de Havilland Service strongly recommended that these brackets be inspected for cracks. The FAA concurs and considers compliance with de Havilland Service Technical News Sheet CT (104) No. 124, Issue 2, dated December 20, 1955, mandatory. Unless already accomplished, the recommendations in the TNS should be carried out at the earliest opportunity but not later than August 15, 1956. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_56-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 56-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft Subject: Nose Gear Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: de Havilland Aircraft Co., Ltd., The Model: D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more 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: 56-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 56-15-04 SUBJECT HEADING: Airworthiness Directives; de Havilland Model 104 "Dove" Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 56-15-04 de HAVILLAND: Applies to All Model 104 "Dove" Aircraft. Compliance required as indicated. Cases have been reported of cracks appearing in the brackets P/N 4FS.401 and 4FS.402 which form part of the main attachment structure of the nose undercarriage leg. The de Havilland Service strongly recommended that these brackets be inspected for cracks. The FAA concurs and considers compliance with de Havilland Service Technical News Sheet CT (104) No. 124, Issue 2, dated December 20, 1955, mandatory. Unless already accomplished, the recommendations in the TNS should be carried out at the earliest opportunity but not later than August 15, 1956. 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.
Related Airworthiness Directives
79-02-07
final ruleAirworthiness Directives; Hawker Siddeley Aviation, Limited (British Aerospace) Model DH-104 "Dove" Series Airplanes
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77-16-04
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77-14-15
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Unsafe Condition: Corrosion of engine mount stay struts, part numbers 4 EM.357A and 4 EM.359A, could result in structural failure.
