AD 47-42-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-6 | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
| aircraft | The Boeing Company | DC-6A | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
| aircraft | The Boeing Company | DC-6B | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
Unsafe Condition
Malfunctioning of the landing gear antiretract mechanism due to slippage and lost motion in the antiretract cable system, preventing retraction of the landing gear.
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Required Actions
Remove clamp P/N 1338701 and install a 21-inch dural tube P/N 1356157 with specified components. Adjust the landing gear down-lock mechanism to maintain a 100-pound load on cable number 108 after multiple oleo retraction cycles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than January 1, 1948
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Affected Aircraft
Douglas DC-6, DC-6A, DC-6B airplanes with serial numbers 42854 through 42887 inclusive, and serials 43000, 43001, and 43055.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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