AD 77-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; Hawker Siddeley Aviation, Ltd de Havilland Model DH-104 "Dove" Series Airplanes |
Unsafe Condition
Fatigue failure of the wing structure due to insufficient fatigue life of the wing lower spar boom and fuselage center section lower spar boom.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the wing lower spar boom with a serviceable boom or FAA-approved equivalent at specified intervals based on time in service. Replace the fuselage center section lower spar boom with a serviceable boom or FAA-approved equivalent at specified intervals based on time in service. Adjust replacement intervals if operating spectrum data justifies less severe conditions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time in service after the effective date of this AD or prior to accumulation of specified hours total time in service on the component, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
de Havilland Model DH-104 'Dove' airplanes, all series, certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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