AD 78-26-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-38-112 | Airworthiness Directives; Piper Model PA-38-112 Aircraft |
Unsafe Condition
A crack in the vertical fin forward spar attachment plate P/N 77553-5 could cause possible hazards in flight.
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Required Actions
Inspect the forward bend radius of the vertical fin forward spar attachment plate P/N 77553-5 using dye penetrant inspection. If a crack is found, replace with an undamaged part of the same part number before further flight, except ferry flights with FAA approval.
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Compliance Time
within the next five hours in service
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Affected Aircraft
Piper Model PA-38-112, Serial Numbers 38-78A0001 thru 38-78A0652, 38-78A0653, 38-78A0655, 38-78A0656, 38-78A0658, 38-78A0660, 38-78A0661, 38-78A0664 thru 38-78A0672, 38-78A0674, 38-78A0676, 38-78A0677, 38-78A0680 thru 38-78A0682, 38-78A0686, 38-78A0690, 38-78A0693, 38-78A0701, 38-78A0702, 38-78A0708, 38-78A0711, 38-78A0717, 38-78A0723, 38-78A0729, 38-78A0734 and 38-78A0749.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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