AD 64-28-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Model PA-30 Aircraft |
Unsafe Condition
Progressively stronger stabilator vibration due to the original stabilator torque tube design.
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Required Actions
Install a new design stabilator torque tube (Piper P/N 22655-07) in accordance with Piper Service Bulletin No. 222A, and remove the 'Do not exceed 205 m.p.h. IAS' placard. Destroy the original torque tube to prevent reinstallation.
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Compliance Time
within 30 hours' time in service after the effective date of this AD
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Affected Aircraft
Piper Model PA-30 Aircraft, Serial Numbers 30-1 through 30-565
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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