AD 66-27-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707-300B and -300C Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707-300B and -300C Series Airplanes |
Unsafe Condition
Cracks or evidence of hammer-peening in the inboard aileron center hinge clevis could result in structural failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the inboard aileron center hinge clevis for cracks or evidence of hammer-peening using a glass of at least 5-power. Replace cracked parts or parts showing hammer-peening with new parts or inspected parts free of issues before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 300 hours' time in service after the effective date of this AD
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Affected Aircraft
BOEING Models 707-300B and -300C Series Airplanes, Serial Numbers 18922, 18926, 18937, 18953, 18960, 18964, 18975, 18976, 18977, and 18991
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Federal Register Abstract
Aileron Center Hinge Clevis
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-27-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-27-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707-300B and -300C Series Airplanes Subject: Aileron Center Hinge Clevis Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/02/1966 Make: The Boeing Company Model: 707-300B Series | 707-300C Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-27-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-297 AD NUMBER: 66-27-01 SUBJECT HEADING: BOEING Models 707-300B and -300C Series Airplanes ACTION: SUMMARY: DATES: Effective November 2, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-27-01 BOEING: Amdt. 39-297 Part 39 Federal Register November 2, 1966. Applies to Models 707-300B and -300C Series Airplanes, Serial Numbers 18922, 18926, 18937, 18953, 18960, 18964, 18975, 18976, 18977, and 18991. Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished. Visually inspect the inboard aileron center hinge clevis for cracks or evidence of hammer-peening using a glass of at least 5-power in accordance with Section 3 of Boeing Service Bulletin No. 2377 or later FAA-approved revision or an equivalent approved by the Chief, Aircraft Engineering Division: FAA Western Region. Replace cracked parts and parts showing evidence of hammer-peening before further flight with a new part of the same part number or a part inspected in accordance with this AD and found free of cracks and evidence of hammer-peening. This directive effective November 2, 1966. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_66-27-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-27-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707-300B and -300C Series Airplanes Subject: Aileron Center Hinge Clevis Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/02/1966 Make: The Boeing Company Model: 707-300B Series | 707-300C Series 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: 66-27-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-297 AD NUMBER: 66-27-01 SUBJECT HEADING: BOEING Models 707-300B and -300C Series Airplanes ACTION: SUMMARY: DATES: Effective November 2, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-27-01 BOEING: Amdt. 39-297 Part 39 Federal Register November 2, 1966. Applies to Models 707-300B and -300C Series Airplanes, Serial Numbers 18922, 18926, 18937, 18953, 18960, 18964, 18975, 18976, 18977, and 18991. Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished. Visually inspect the inboard aileron center hinge clevis for cracks or evidence of hammer-peening using a glass of at least 5-power in accordance with Section 3 of Boeing Service Bulletin No. 2377 or later FAA-approved revision or an equivalent approved by the Chief, Aircraft Engineering Division: FAA Western Region. Replace cracked parts and parts showing evidence of hammer-peening before further flight with a new part of the same part number or a part inspected in accordance with this AD and found free of cracks and evidence of hammer-peening. This directive effective November 2, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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