AD 46-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC3-G102 | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3-G102A | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3-G103A | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3-G202A | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3A-S1C3G | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3A-S1CG | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3A-S4C4G | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3A-SC3G | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3A-SCG | DOUGLAS Model DC3 |
| aircraft | The Boeing Company | DC3C-R-1830-90C | DOUGLAS Model DC3 |
Unsafe Condition
Cracks in landing gear rear brace strut fittings, P/N 230659, may occur due to stress or fatigue, potentially leading to structural failure of the landing gear assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect all landing gear rear brace strut fittings (P/N 230659) for cracks prior to next flight. Repair cracks less than 1/8-inch by grinding or filing; remove and repair longer cracks by grinding welds and rewelding. Replace with P/N 4341810 to avoid future inspections.
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Compliance Time
prior to next flight
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Affected Aircraft
The Boeing Company DC3 models except conversions from the C-47 Series, including DC3-G102, DC3-G102A, DC3-G103A, DC3-G202A, DC3A-S1C3G, DC3A-S1CG, DC3A-S4C4G, DC3A-SC3G, and others as listed.
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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