AD 59-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-24 | Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft |
| aircraft | Piper Aircraft Inc. | PA-24-250 | Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft |
Unsafe Condition
Cracks have developed in the aileron balance weight attachment bulkheads, which are riveted to the front spar of the aileron and support the balance weight arm.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install reinforced bulkheads on both ailerons except on Serial Number 24-980, where only the right aileron's balance weight attachment bulkhead needs replacement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours of operation or by October 1, 1959, whichever occurs first
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Affected Aircraft
Piper Models PA-24 and PA-24-250 Aircraft with serial numbers 24-1 to 24-978 inclusive and 24-980.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Balance Weight
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_59-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft Subject: Aileron Balance Weight Status: Current Citation: This information is not available. Citation Publish Date: 07/09/1959 Effective Date: Make: Piper Aircraft Inc. Model: PA-24 | PA-24-250 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 59-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-13-02 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-13-02 PIPER: Applies to Models PA-24 and PA-24 "250" Aircraft Serial Numbers 24-1 to 24-978 Inclusive and 24-980. Compliance required within the next 100 hours of operation or by October 1, 1959, whichever occurs first. Service experience indicates that cracks have developed in the aileron balance weight attachment bulkheads. These bulkheads are riveted to the front spar of the aileron and are the supports to which the balance weight arm is attached. To reduce the probability of failure of the aileron balance weight arm attachment install reinforced bulkheads on both ailerons except on Serial Number 24-980 replace the balance weight attachment bulkhead on right aileron only. (Piper Service Bulletin No. 173 also covers this subject and states "Service Kit, Part Number 734-233, is available from your nearest Piper distributor or dealer free of charge if the airframe serial number is included on the purchase order.") FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_59-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft Subject: Aileron Balance Weight Status: Current Citation: This information is not available. Citation Publish Date: 07/09/1959 Effective Date: Make: Piper Aircraft Inc. Model: PA-24 | PA-24-250 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: 59-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-13-02 SUBJECT HEADING: Airworthiness Directives; Piper Models PA-24 and PA-24 "250" Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-13-02 PIPER: Applies to Models PA-24 and PA-24 "250" Aircraft Serial Numbers 24-1 to 24-978 Inclusive and 24-980. Compliance required within the next 100 hours of operation or by October 1, 1959, whichever occurs first. Service experience indicates that cracks have developed in the aileron balance weight attachment bulkheads. These bulkheads are riveted to the front spar of the aileron and are the supports to which the balance weight arm is attached. To reduce the probability of failure of the aileron balance weight arm attachment install reinforced bulkheads on both ailerons except on Serial Number 24-980 replace the balance weight attachment bulkhead on right aileron only. (Piper Service Bulletin No. 173 also covers this subject and states "Service Kit, Part Number 734-233, is available from your nearest Piper distributor or dealer free of charge if the airframe serial number is included on the purchase order.") FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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