AD 71-12-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-23-250 (Navy UO-1) | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-260 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-300 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31P | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-39 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-E23-250 | Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA-31P, and PA-39 Airplanes |
Unsafe Condition
The Scott Electric Trim Switch P/N 800452-01 may fail, leading to loss of trim control or unintended trim movement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the electric trim switch per Piper Kit No. 760505 or equivalent method approved by the FAA. Compliance must be completed within 100 hours' time in service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Models PA-23-250 (Serial Numbers 27-3837, 27-3944-4467, 27-4469-4527, 27-4529-4559, 27-4561-4567, 27-4569-4575, 27-4577-4579, 27-4581, 27-4582, 27-4584-4592, 27-4594, 27-4596-4604, 27-4606), PA-E23-250 (same serial ranges as PA-23-250), PA-24-260 (Serial Nos. 24-4783, 24-4804-4953, 24-4955-4959, 24-4962, 24-4964), PA-30 (Serial Nos. 30-1717, 30-1745-2000), PA-31 and PA-31-300 (Serial Nos. 31-2-694, 31-696, 31-697), PA-31P (Serial Nos. 31P-1-24, 31P-26-29, 31P-31, 31P-33), PA-39 (Serial Nos. 39-1-83) equipped with Scott Electric Trim Switch P/N 800452-01.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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