AD 64-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-400 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707 and 720 Series Aircraft |
Unsafe Condition
Inadequate clearance between the rudder control link arm assembly (P/N 65-12703) and the lower pivot clevis, rudder spar web, or evidence of previous interference could lead to component failure or loss of rudder control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the rudder control link arm assembly installation for clearance between the arm assembly and lower pivot clevis, rudder spar web, and evidence of prior interference. Rework existing parts per Boeing Alert Service Bulletins 2052/2052A or approved method if clearance is insufficient. Replace the lower arm assembly pivot bolt if prior interference is found.
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Compliance Time
within the next 65 hours' time in service after the effective date of this AD
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Affected Aircraft
Boeing Model 707 and 720 Series Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rudder Control Link Arm Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-23-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-23-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707 and 720 Series Aircraft Subject: Rudder Control Link Arm Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-23-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-23-01 SUBJECT HEADING: BOEING Model 707 and 720 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-23-01 BOEING: Amdt. 819 Part 507 Federal Register October 14, 1964. Applies to Models 707 and 720 Series Aircraft. Compliance required within the next 65 hours' time in service after the effective date of this AD, unless already accomplished. (a) With the rudder full right, inspect the installation of the rudder control link arm assembly P/N 65-12703 to ensure: (1) that clearance exists between the rudder control link arm assembly and the lower pivot clevis for that arm assembly; (2) that clearance exists between the arm assembly and the rudder spar web; and (3) that there is no evidence of previous interference. (b) If clearance does not exist, rework the existing parts in accordance with Boeing Alert Service Bulletins 2052 and 2052A, or in a manner approved by the Chief, Aircraft Engineering Division, FAA Western Region, or install new parts which provide clearance. (c) If there is evidence of previous interference, replace the lower arm assembly pivot bolt. (Boeing Alert Service Bulletins 2052 and 2052A cover this same subject.) This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated September 25, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-23-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-23-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707 and 720 Series Aircraft Subject: Rudder Control Link Arm Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-23-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-23-01 SUBJECT HEADING: BOEING Model 707 and 720 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-23-01 BOEING: Amdt. 819 Part 507 Federal Register October 14, 1964. Applies to Models 707 and 720 Series Aircraft. Compliance required within the next 65 hours' time in service after the effective date of this AD, unless already accomplished. (a) With the rudder full right, inspect the installation of the rudder control link arm assembly P/N 65-12703 to ensure: (1) that clearance exists between the rudder control link arm assembly and the lower pivot clevis for that arm assembly; (2) that clearance exists between the arm assembly and the rudder spar web; and (3) that there is no evidence of previous interference. (b) If clearance does not exist, rework the existing parts in accordance with Boeing Alert Service Bulletins 2052 and 2052A, or in a manner approved by the Chief, Aircraft Engineering Division, FAA Western Region, or install new parts which provide clearance. (c) If there is evidence of previous interference, replace the lower arm assembly pivot bolt. (Boeing Alert Service Bulletins 2052 and 2052A cover this same subject.) This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated September 25, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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