AD 63-12-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-23 | Airworthiness Directives; Piper Model PA-23 Aircraft |
Unsafe Condition
Cracks in the P/N 17058-3 elevator butt rib and P/N 17058-20 elevator butt rib doubler plate incorporated in the P/N 17058-00 elevator assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours' time in service after the effective date, inspect for cracks in the elevator butt rib and doubler plate. Replace cracked parts before further flight. Ensure proper alignment and prevent distortion/over-torquing of attachment bolts when installing parts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished within the last 50 hours' time in service, and within every 100 hours' time in service thereafter
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Affected Aircraft
Piper Aircraft Inc. Model PA-23 Aircraft Serial Numbers 23-1 Through 23-1284, and 23-1286.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Rib Cracks
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_63-12-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-12-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Aircraft Subject: Elevator Rib Cracks Status: Current Citation: Federal Register: June 7, 1963 Citation Publish Date: 06/07/1963 Effective Date: 06/07/1963 Make: Piper Aircraft Inc. Model: PA-23 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 63-12-02 CITATION: [Federal Register: June 7, 1963] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-12-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Aircraft ACTION: SUMMARY: DATES: Effective June 7, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-12-02 PIPER: Amdt. 572 Part 507 Federal Register June 7, 1963. Applies to Model PA-23 Aircraft Serial Numbers 23-1 Through 23-1284, and 23-1286. Compliance required as indicated. Due to cracks being found in the P/N 17058-3 elevator butt rib and the P/N 17058-20 elevator butt rib doubler plate, which parts are incorporated in the P/N 17058-00 elevator assembly originally installed on the above serial numbered aircraft, the following shall be accomplished: (a) Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished within the last 50 hours' time in service, and within every 100 hours' time in service thereafter visually inspect for cracks, elevator butt rib, P/N 17058-3 and elevator butt rib plate, P/N 17058-20 on the P/N 17058-00 elevator assembly. Replace cracked parts before further flight. (b) After P/N 19446 elevator assembly is installed, the inspection specified in (a) is no longer required. (c) Parts shall be assembled and installed to obtain proper alinement and to prevent distortion and over-torquing of the attachment bolts. (Piper Service Bulletin No. 146B, dated October 25, 1962, pertains to this same subject.) This directive effective June 7, 1963. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_63-12-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-12-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Aircraft Subject: Elevator Rib Cracks Status: Current Citation: Federal Register: June 7, 1963 Citation Publish Date: 06/07/1963 Effective Date: 06/07/1963 Make: Piper Aircraft Inc. Model: PA-23 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: 63-12-02 CITATION: [Federal Register: June 7, 1963] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-12-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Aircraft ACTION: SUMMARY: DATES: Effective June 7, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-12-02 PIPER: Amdt. 572 Part 507 Federal Register June 7, 1963. Applies to Model PA-23 Aircraft Serial Numbers 23-1 Through 23-1284, and 23-1286. Compliance required as indicated. Due to cracks being found in the P/N 17058-3 elevator butt rib and the P/N 17058-20 elevator butt rib doubler plate, which parts are incorporated in the P/N 17058-00 elevator assembly originally installed on the above serial numbered aircraft, the following shall be accomplished: (a) Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished within the last 50 hours' time in service, and within every 100 hours' time in service thereafter visually inspect for cracks, elevator butt rib, P/N 17058-3 and elevator butt rib plate, P/N 17058-20 on the P/N 17058-00 elevator assembly. Replace cracked parts before further flight. (b) After P/N 19446 elevator assembly is installed, the inspection specified in (a) is no longer required. (c) Parts shall be assembled and installed to obtain proper alinement and to prevent distortion and over-torquing of the attachment bolts. (Piper Service Bulletin No. 146B, dated October 25, 1962, pertains to this same subject.) This directive effective June 7, 1963. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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