AD 70-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; de Havilland Aircraft Company Ltd Model D.H. 104 Dove Series 7A, 8A, 7AXC, 8AXC Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; de Havilland Aircraft Company Ltd Model D.H. 104 Dove Series 7A, 8A, 7AXC, 8AXC Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; de Havilland Aircraft Company Ltd Model D.H. 104 Dove Series 7A, 8A, 7AXC, 8AXC Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; de Havilland Aircraft Company Ltd Model D.H. 104 Dove Series 7A, 8A, 7AXC, 8AXC Airplanes |
Unsafe Condition
Cracks in the wing lower main spar cap in the region of rib 4 and loosened tank door attachment bolts at Wing Sta. 0-40.
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Required Actions
Within specified timeframes, visually inspect the lower main spar cap using a 4 power glass and/or dye penetrant methods, check tank door bolts for tightness, repair cracks prior to further flight, replace out-of-tolerance nut plates, and perform periodic inspections at intervals not exceeding specified hours time in service. Inspections must follow Strato Engineering Service Bulletin APA-3 or equivalent procedures.
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Compliance Time
Within the next 10 hours time in service after receipt of telegram dated October 23, 1970, and thereafter at intervals not to exceed twenty hours time in service. For certain modifications, inspections must be repeated at intervals not exceeding 500 and 250 hours time in service.
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Affected Aircraft
de Havilland Aircraft Company Ltd Model D.H. 104 Dove Series 7A, 8A, 7AXC, 8AXC airplanes modified per STC SA1554WE or SA1747WE.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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