AD 66-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING Model 727 Series Airplanes |
Unsafe Condition
Failure of the pneumatic brake system due to leaks between the control valve and the brake housing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the pneumatic brake system line installation in accordance with Boeing Service Bulletin No. 29-22, dated February 21, 1966, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 700 hours' time in service after the effective date of this AD
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Affected Aircraft
BOEING Model 727 Series Airplanes listed in Boeing Service Bulletin No. 29-22, dated February 21, 1966.
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Federal Register Abstract
Pneumatic Brake System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 727 Series Airplanes Subject: Pneumatic Brake System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/07/1966 Make: The Boeing Company Model: 727-100 Series | 727-100C Series | 727-200 Series | 727-200F Series | 727 Series | 727C Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-285 AD NUMBER: 66-22-02 SUBJECT HEADING: BOEING Model 727 Series Airplanes ACTION: SUMMARY: DATES: Effective October 7, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-22-02 BOEING: Amdt. 39-285 Part 39 Federal Register September 7, 1966. Applies to Model 727 Series Airplanes Listed in Boeing Service Bulletin No. 29-22, Dated February 21, 1966. Compliance required within the next 700 hours' time in service after the effective date of this AD, unless already accomplished. To prevent failure of the pneumatic brake system due to leaks between the control valve and the brake housing, modify the pneumatic brake system line installation in accordance with Boeing Service Bulletin No. 29-22, dated February 21, 1966, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. This directive effective October 7, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 727 Series Airplanes Subject: Pneumatic Brake System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/07/1966 Make: The Boeing Company Model: 727-100 Series | 727-100C Series | 727-200 Series | 727-200F Series | 727 Series | 727C 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: 66-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-285 AD NUMBER: 66-22-02 SUBJECT HEADING: BOEING Model 727 Series Airplanes ACTION: SUMMARY: DATES: Effective October 7, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-22-02 BOEING: Amdt. 39-285 Part 39 Federal Register September 7, 1966. Applies to Model 727 Series Airplanes Listed in Boeing Service Bulletin No. 29-22, Dated February 21, 1966. Compliance required within the next 700 hours' time in service after the effective date of this AD, unless already accomplished. To prevent failure of the pneumatic brake system due to leaks between the control valve and the brake housing, modify the pneumatic brake system line installation in accordance with Boeing Service Bulletin No. 29-22, dated February 21, 1966, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. This directive effective October 7, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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