AD 2021-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper | Aircraft | Airworthiness Directives; Piper Aircraft, Inc. Airplanes |
Unsafe Condition
Without the proper stall warning heat control modification kit, during flights into icing conditions with the landing gear down, ice can form on the stall vane, which may result in failure of the stall warning system.
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Required Actions
Inspect the stall warning heat control configuration, and correct any nonconforming stall warning heat control systems.
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Compliance Time
Before further flight
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Affected Aircraft
Piper Aircraft, Inc., Models PA-46-350P (Malibu Mirage), PA-46R-350T (Malibu Matrix), and PA-46-500TP (Malibu Meridian) airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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