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.
Federal Register Abstract
Electric Trim Switch Modification
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_71-12-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-12-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA...Show more Subject: Electric Trim Switch Modification Status: Current Citation: This information is not available. Citation Publish Date: 06/10/1971 Effective Date: 06/16/1971 Make: Piper Aircraft Inc. Model: PA-23-250 (Navy UO-1) | PA-24-260 | PA-30 | PA-31 | PA-31-300 | PA-31P | PA-39 | PA-E23-250 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 71-12-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1226 AD NUMBER: 71-12-05 SUBJECT HEADING: 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 ACTION: SUMMARY: DATES: Effective June 16, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-12-05 PIPER AIRCRAFT: Amdt. 39-1226. Applies to Models PA-23-250 (Six Place) and PA-E23-250 (Six Place) Serial Numbers: 27-3837, 27-3944 through 27-4467, 27- 4469 through 27-4527, 27-4529 through 27-4559, 27-4561 through 27-4567, 27-4569 through 27-4575, 27-4577 through 27-4579, 27-4581, 27-4582, 27-4584 through 27-4592, 27-4594, 27- 4596 through 27-4604 and 27-4606. Model PA-24-260, Serial Nos. 24-4783, 24-4804 through 24-4953, 24-4955 through 24-4959, 24-4962 and 24-4964. Model PA-30, Serial Nos. 30-1717, 30-1745 through 30-2000. Model PA-31 and 31-300, Serial Nos.; 31-2 through 31-694, 31-696 and 31-697. Model PA-31P; Serial Nos. 31P-1 through 31P-24, 31P-26 through 31P-29, 31P-31 and 31P-33. Model PA-39; Serial Nos. 39-1 through 39-83 and any other of the above model A/C equipped with Scott Electric Trim Switch P/N 800452-01. Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished. (a) Modify the Electric Trim Switch P/N 800452-01 in accordance with Piper Kit No. 760505 as referenced in Piper Service Bulletin No. 331, dated 5 February 1971 or equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. (b) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. This amendment is effective June 16, 1971. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_71-12-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-12-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-23-250, PA-E23-250, PA-24-260, PA-30, PA-31, PA-31-300, PA...Show more Subject: Electric Trim Switch Modification Status: Current Citation: This information is not available. Citation Publish Date: 06/10/1971 Effective Date: 06/16/1971 Make: Piper Aircraft Inc. Model: PA-23-250 (Navy UO-1) | PA-24-260 | PA-30 | PA-31 | PA-31-300 | PA-31P | PA-39 | PA-E23-250 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 71-12-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1226 AD NUMBER: 71-12-05 SUBJECT HEADING: 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 ACTION: SUMMARY: DATES: Effective June 16, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-12-05 PIPER AIRCRAFT: Amdt. 39-1226. Applies to Models PA-23-250 (Six Place) and PA-E23-250 (Six Place) Serial Numbers: 27-3837, 27-3944 through 27-4467, 27- 4469 through 27-4527, 27-4529 through 27-4559, 27-4561 through 27-4567, 27-4569 through 27-4575, 27-4577 through 27-4579, 27-4581, 27-4582, 27-4584 through 27-4592, 27-4594, 27- 4596 through 27-4604 and 27-4606. Model PA-24-260, Serial Nos. 24-4783, 24-4804 through 24-4953, 24-4955 through 24-4959, 24-4962 and 24-4964. Model PA-30, Serial Nos. 30-1717, 30-1745 through 30-2000. Model PA-31 and 31-300, Serial Nos.; 31-2 through 31-694, 31-696 and 31-697. Model PA-31P; Serial Nos. 31P-1 through 31P-24, 31P-26 through 31P-29, 31P-31 and 31P-33. Model PA-39; Serial Nos. 39-1 through 39-83 and any other of the above model A/C equipped with Scott Electric Trim Switch P/N 800452-01. Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished. (a) Modify the Electric Trim Switch P/N 800452-01 in accordance with Piper Kit No. 760505 as referenced in Piper Service Bulletin No. 331, dated 5 February 1971 or equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. (b) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. This amendment is effective June 16, 1971. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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