AD 74-13-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-23-235 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-23-250 (Navy UO-1) | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24-250 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24-260 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24-400 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
| aircraft | Piper Aircraft Inc. | PA-39 | Airworthiness Directives; Piper Models PA-23-235, PA-23-250, PA-24, PA-24-250. PA-24-260, PA-24-400, PA-30 and PA-39 Aircraft |
Unsafe Condition
Corrosion of the stabilator attachment bolts may cause possible hazards in flight.
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Required Actions
Within the next 100 hours in service, remove and inspect the four stabilator attachment bolts for corrosion. If corrosion is found, replace the bolt, nut, and washer with unused parts of the same part numbers or equivalent corrosion-resistant AN bolts before further flight. Equivalent parts must be FAA approved.
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Compliance Time
Within the next 100 hours in service, unless previously accomplished, and at intervals not to exceed three years or five hundred hours in service from the last inspection, whichever occurs first.
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Affected Aircraft
Piper Aircraft Inc. Models PA-23-235 (Serial Nos. 27-1 through 27-4654), PA-23-250 (Navy UO-1), PA-24 (Serial Nos. 24-1 through 24-5047), PA-24-250, PA-24-260, PA-24-400 (Serial Nos. 26-2 through 26-148), PA-30 (Serial Nos. 30-1 through 30-2000), and PA-39 (Serial Numbers 39-1 through 39-155) certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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