AD 76-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-39 | Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes |
Unsafe Condition
Cracks in the radius of the bend relief holes of the forward fin attachment channel assembly could cause possible hazards in flight.
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Required Actions
Visually inspect the forward fin attachment channel P/N 22903-00 around the radius of the bend relief cutouts for cracks using a magnifying glass of at least five power or an approved equivalent inspection. Cracked parts must be replaced with a part of the same number or equivalent that has been inspected and found acceptable prior to further flight, except flights under FAR 21.197.
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Compliance Time
within the next 50 hours in service from the effective date of this AD unless previously accomplished
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Affected Aircraft
Piper Models PA-30, Serial Nos. 30-1 through 30-2000, and PA-39, Serial Nos. 39-1 through 39-155
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Forward Fin Attachment
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-18-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-18-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes Subject: Forward Fin Attachment Status: Current Citation: This information is not available. Citation Publish Date: 09/02/1976 Effective Date: 09/10/1976 Make: Piper Aircraft Inc. Model: PA-30 | PA-39 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 76-18-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2715 AD NUMBER: 76-18-05 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes ACTION: SUMMARY: DATES: Effective September 10, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-18-05 PIPER: Amendment 39-2715. Applies to Models PA-30, Serial Nos. 30-1 through 30-2000, and PA-39, Serial Nos. 39-1 through 39-155 certificated in all categories. To prevent possible hazards in flight associated with cracks in the radius of the bend relief holes of the forward fin attachment channel assembly accomplish the following within the next 50 hours in service from the effective date of this AD unless previously accomplished. a. Visually inspect the forward fin attachment channel P/N 22903-00 around the radius of the bend relief cutouts for cracks using a magnifying glass of at least five power or an approved equivalent inspection. b. Cracked parts must be replaced with a part of the same number or equivalent that has been inspected in accordance with this AD and found acceptable prior to further flight, except that the Airplane may be flown in accordance with FAR 21.197 to a base where a repair can be made. c. Equivalent inspections and parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (Piper Service Letter No. 777 refers to this subject.) This amendment is effective September 10, 1976. FOOTER:
Document Text
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AD Final Rules - DRS_76-18-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-18-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes Subject: Forward Fin Attachment Status: Current Citation: This information is not available. Citation Publish Date: 09/02/1976 Effective Date: 09/10/1976 Make: Piper Aircraft Inc. Model: PA-30 | PA-39 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: 76-18-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2715 AD NUMBER: 76-18-05 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-30 and PA-39 Airplanes ACTION: SUMMARY: DATES: Effective September 10, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-18-05 PIPER: Amendment 39-2715. Applies to Models PA-30, Serial Nos. 30-1 through 30-2000, and PA-39, Serial Nos. 39-1 through 39-155 certificated in all categories. To prevent possible hazards in flight associated with cracks in the radius of the bend relief holes of the forward fin attachment channel assembly accomplish the following within the next 50 hours in service from the effective date of this AD unless previously accomplished. a. Visually inspect the forward fin attachment channel P/N 22903-00 around the radius of the bend relief cutouts for cracks using a magnifying glass of at least five power or an approved equivalent inspection. b. Cracked parts must be replaced with a part of the same number or equivalent that has been inspected in accordance with this AD and found acceptable prior to further flight, except that the Airplane may be flown in accordance with FAR 21.197 to a base where a repair can be made. c. Equivalent inspections and parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (Piper Service Letter No. 777 refers to this subject.) This amendment is effective September 10, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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