AD 79-11-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-23 | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
| aircraft | Piper Aircraft Inc. | PA-23-160 | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
| aircraft | Piper Aircraft Inc. | PA-23-235 | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
| aircraft | Piper Aircraft Inc. | PA-23-250 | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
| aircraft | Piper Aircraft Inc. | PA-23-250 (Navy UO-1) | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
| aircraft | Piper Aircraft Inc. | PA-E23-250 | Airworthiness Directives; Piper Model PA-23 Series Aircraft |
Unsafe Condition
Failure of the landing gear selector lever, Piper Part No. 752303, due to cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the landing gear selector lever per Piper S/B No. 635 steps 1-4 or equivalent within 50 hours in service after AD effective date. If cracks found, replace with P/N 761213 or equivalent before further flight. If no cracks, repeat inspection every 100 hours in service until P/N 761213 is installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours in service after the effective date of this AD. Subsequent inspections at intervals not to exceed 100 hours in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-23 series aircraft with landing gear selector lever P/N 752303 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Selector Lever
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_79-11-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-11-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Series Aircraft Subject: Landing Gear Selector Lever Status: Current Citation: This information is not available. Citation Publish Date: 08/30/1979 Effective Date: 08/29/1979 Make: Piper Aircraft Inc. Model: PA-23 | PA-23-160 | PA-23-235 | PA-23-250 | PA-23-250 (Navy UO-1) | 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 79-11-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3545 AD NUMBER: 79-11-06 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Series Aircraft ACTION: SUMMARY: DATES: Effective August 29, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-11-06 PIPER: Amendment 39-3481 as amended by Amendment 39-3545. Applies to all PA-23 series aircraft, certificated in all categories, which have landing gear selector lever, P/N 752303, installed. To prevent possible failure of the landing gear selector lever, Piper Part No. 752303 accomplish the following: a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished, inspect the landing gear selector lever in accordance with Instructions Section in Piper S/B No. 635 steps (1) through (4) or equivalent inspection. b. If cracks are found, replace the landing gear selector lever with lever Piper P/N 761213 or equivalent before further flight. c. If no cracks are found, repeat the inspection in (a) at intervals not to exceed 100 hours in service. The requirements of this AD may be cancelled upon installation of landing gear selector lever Piper P/N 761213 or equivalent. d. Equivalent inspections and replacements must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. e. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, Eastern Region, may adjust the inspection intervals specified in this AD. Amendment 39-3481 was effective June 5, 1979. This Amendment 39-3545 is effective August 29, 1979. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_79-11-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-11-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Series Aircraft Subject: Landing Gear Selector Lever Status: Current Citation: This information is not available. Citation Publish Date: 08/30/1979 Effective Date: 08/29/1979 Make: Piper Aircraft Inc. Model: PA-23 | PA-23-160 | PA-23-235 | PA-23-250 | PA-23-250 (Navy UO-1) | 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 79-11-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3545 AD NUMBER: 79-11-06 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Series Aircraft ACTION: SUMMARY: DATES: Effective August 29, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-11-06 PIPER: Amendment 39-3481 as amended by Amendment 39-3545. Applies to all PA-23 series aircraft, certificated in all categories, which have landing gear selector lever, P/N 752303, installed. To prevent possible failure of the landing gear selector lever, Piper Part No. 752303 accomplish the following: a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished, inspect the landing gear selector lever in accordance with Instructions Section in Piper S/B No. 635 steps (1) through (4) or equivalent inspection. b. If cracks are found, replace the landing gear selector lever with lever Piper P/N 761213 or equivalent before further flight. c. If no cracks are found, repeat the inspection in (a) at intervals not to exceed 100 hours in service. The requirements of this AD may be cancelled upon installation of landing gear selector lever Piper P/N 761213 or equivalent. d. Equivalent inspections and replacements must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. e. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, Eastern Region, may adjust the inspection intervals specified in this AD. Amendment 39-3481 was effective June 5, 1979. This Amendment 39-3545 is effective August 29, 1979. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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