AD 57-05-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-23 | Airworthiness Directives; Piper Model PA-23 Aircraft |
Unsafe Condition
Excessive wear and possible failure of the elevator push-pull tube at the point where it passes through the fiber rollers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wear area on the elevator push-pull tube at the fiber roller location. Replace tubes with wear exceeding 0.005 inch. Install four nylon blocks (P/N 19225-00) and eight AN 960-516 washers per Piper Service Bulletin No. 151, removing and reusing existing bearings and washers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next 100-hour inspection but not later than May 1, 1957
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Aircraft Inc. Model PA-23, Serial Numbers 23-1 to 23-903 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Push-Pull Tube
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_57-05-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 57-05-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Aircraft Subject: Elevator Push-Pull Tube Status: Current Citation: This information is not available. Citation Publish Date: 08/01/1957 Effective Date: Make: Piper Aircraft Inc. Model: PA-23 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: unable to find issue date AIRWORTHINESS DIRECTIVES FINAL RULES: 57-05-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 57-05-03 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 57-05-03 PIPER: Applies to Model PA-23, Serial Numbers 23-1 to 23-903 Inclusive. Compliance required at the next 100-hour inspection but not later than May 1, 1957. The following careful examination and action is required to overcome excessive wear and possible failure of the elevator push-pull tube. 1. Careful examination should be made of the wear area on the elevator push-pull tube at the point where it passes through the fiber rollers. Any tube that shows wear exceeding 0.005 inch must be replaced. 2. Obtain four each of nylon block, Piper P/N 19225-00 and eight AN 960-516 washers. Remove the four bearings, P/N 80012-67 and the six washers, P/N 81342-61 from the fiber roller installation and reuse in the nylon block installation. Install the above parts, except for the rollers, in accordance with the sketch and instructions shown in Piper Service Bulletin No. 151 dated February 11, 1957. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_57-05-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 57-05-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-23 Aircraft Subject: Elevator Push-Pull Tube Status: Current Citation: This information is not available. Citation Publish Date: 08/01/1957 Effective Date: 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: unable to find issue date AIRWORTHINESS DIRECTIVES FINAL RULES: 57-05-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 57-05-03 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-23 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 57-05-03 PIPER: Applies to Model PA-23, Serial Numbers 23-1 to 23-903 Inclusive. Compliance required at the next 100-hour inspection but not later than May 1, 1957. The following careful examination and action is required to overcome excessive wear and possible failure of the elevator push-pull tube. 1. Careful examination should be made of the wear area on the elevator push-pull tube at the point where it passes through the fiber rollers. Any tube that shows wear exceeding 0.005 inch must be replaced. 2. Obtain four each of nylon block, Piper P/N 19225-00 and eight AN 960-516 washers. Remove the four bearings, P/N 80012-67 and the six washers, P/N 81342-61 from the fiber roller installation and reuse in the nylon block installation. Install the above parts, except for the rollers, in accordance with the sketch and instructions shown in Piper Service Bulletin No. 151 dated February 11, 1957. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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