AD 72-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-34-200 | Airworthiness Directives; Piper Model PA-34-200 Airplanes |
Unsafe Condition
Failure of the induction air box valve could result in power loss.
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Required Actions
Inspect the valve assembly for excessive wear or cracks where the shaft mates to the valve assembly. Replace worn, loose, or cracked parts with serviceable parts of the same part numbers or incorporate Piper Kit Number 760 722V. Reassemble induction air boxes and install in accordance with PA-34 service manual.
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Compliance Time
Compliance required within the next 10 hours time in service and thereafter at intervals not to exceed 100 hours time in service from the last inspection (for airplanes with 100 or more hours time in service on the effective date) or upon accumulation of 100 hours time in service or within the next 10 hours, whichever is later (for airplanes with less than 100 hours time in service on the effective date).
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Affected Aircraft
Piper Model PA-34-200 airplanes, Serial Nos. 34-E4 and 34-7250001 through 34-7350074.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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