AD 2001-01-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Reims Aviation S.A. Model F406 Airplanes |
Unsafe Condition
Cracks in the canted rib upper cap in the center wing carry-through area, which could result in structural failure of the wing with possible loss of control of the airplane.
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Required Actions
Repetitively inspect the canted rib upper cap in the center wing carry-through area for cracks. If cracks are found, immediately repair the cracks or modify the area depending on the extent of the cracks. Modify the canted rib upper cap at a certain time period as terminating action for the repetitive inspections.
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Compliance Time
Within the next 75 hours time-in-service (TIS) after January 7, 2002.
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Affected Aircraft
Reims Aviation S.A. Model F406 airplanes, serial numbers F406-0001 through F406-0083, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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