AD 77-04-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 Aerospace LLC | SA26-AT | Airworthiness Directives; Swearingen Models SA26-T and SA26-AT |
| aircraft | M7 Aerospace LLC | SA26-T | Airworthiness Directives; Swearingen Models SA26-T and SA26-AT |
Unsafe Condition
Failures of spar brackets, part numbers 26-31060-1, 26-31060-3, 26-31063-1, and 26-31063-3.
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Required Actions
Inspect spar brackets per Swearingen SB A57-00-27 within next ten flight hours unless done in last 100 flight hours. If cracks found, incorporate repair before further flight. If no cracks, inspect every 100 flight hours until repair is done. Alternate repairs require FAA approval.
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Compliance Time
Within the next ten flight hours, unless already accomplished within the last 100 flight hours
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Affected Aircraft
Swearingen Models SA26-T and SA26-AT with spar brackets P/N 26-31060-1, 26-31060-3, 26-31063-1, and 26-31063-3.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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