AD 58-11-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 18 | LOCKHEED Model 18 Aircraft |
Unsafe Condition
Cracks in the welds of the drag strut yoke (P/N XY450-2L-1) on the main landing gear result in continuing reduction in the strength of the landing gear, rendering it unairworthy.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the main landing gear for cracks using dye penetrant, magnetic particle, or equivalent methods by July 1, 1958, and every 500 hours of operation thereafter. Conduct a visual inspection with an 8-power magnifying glass or equivalent every 100 hours of operation. Replace the oleo strut if cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not later than July 1, 1958, and at each 500 hours of operation thereafter; visual inspections every 100 hours of operation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Model 18 Aircraft, all serial numbers.
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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