AD 2013-08-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lake | LA-4 | Airworthiness Directives; Revo, Incorporated Airplanes |
Unsafe Condition
Fretting, cracking, or corrosion of the horizontal stabilizer attachment fitting, which could lead to structural failure of the fitting.
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Required Actions
Inspect the horizontal stabilizer attachment fitting using dye-penetrant inspection. Measure the gap between the horizontal skin and the horizontal stabilizer attachment fitting; trim the skin to provide the correct gap. Replace the fitting upon reaching the 850-hours time-in-service (TIS) safe life or if any cracks are found during inspections. Report the results of the initial inspection and any cracks found on repetitive inspections to the FAA.
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Compliance Time
Before further flight
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Affected Aircraft
Revo, Incorporated Models COLONIAL C-1, COLONIAL C-2, LAKE LA-4, LAKE LA-4A, LAKE LA-4P, and LAKE LA-4-200 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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