AD 47-10-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
The existing alcohol tanks and cradles are not sufficiently robust, posing a risk of failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace existing alcohol tanks with new type heavier tanks, LAC P/N 296424. Replace existing tank cradles with new cradles LAC P/N 296465.
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Compliance Time
prior to June 1, 1947
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serials up to and including 2075
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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