AD 64-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Series Airplanes |
Unsafe Condition
Engine burner case burn through in service resulted in damage to the nacelle and lower strut due to delayed fire detection as there are no fire detector elements in the area on top of the engine between nacelle Stations 160 and 180.
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Required Actions
Install additional fire detector elements (continuous or unit type) between the horizontal firewall and the top of the engine in the area between nacelle Stations 160 and 180, in accordance with Boeing Service Bulletin No. 1788 or an approved installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 6,000 hours' time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
All Models 707 and 720 Series Airplanes listed in Boeing Service Bulletin No. 1788.
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Federal Register Abstract
Fire Detector Elements
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707 and 720 Series Airplanes Subject: Fire Detector Elements Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/07/1964 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: 64-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-01-02 SUBJECT HEADING: BOEING Models 707 and 720 Series Airplanes ACTION: SUMMARY: DATES: Effective February 7, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-01-02 BOEING: Amdt. 668 Part 507 Federal Register January 7, 1964. Applies to All Models 707 and 720 Series Airplanes Listed in Boeing Service Bulletin No. 1788. Compliance required within 6,000 hours' time in service after the effective date of this AD unless already accomplished. Instances of engine burner case burn through have occurred in service resulting in damage to the nacelle and lower strut in which detection of the fire was delayed because there are no fire detector elements in the area on top of the engine. To correct this unsafe condition, the following must be accomplished: Install additional fire detector elements (continuous or unit type) between the horizontal firewall and the top of the engine in the area between nacelle Stations 160 and 180. This additional detector installation shall be made in accordance with Boeing Service Bulletin No. 1788 dated July 11, 1963, or in accordance with an installation approved by the Chief, Engineering and Manufacturing Branch, FAA Western Region. (Boeing Service Bulletin No. 1788 covers the installation applicable to the various fire detector systems as installed on different groups of airplanes.) This directive effective February 7, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-01-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Models 707 and 720 Series Airplanes Subject: Fire Detector Elements Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/07/1964 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: 64-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-01-02 SUBJECT HEADING: BOEING Models 707 and 720 Series Airplanes ACTION: SUMMARY: DATES: Effective February 7, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-01-02 BOEING: Amdt. 668 Part 507 Federal Register January 7, 1964. Applies to All Models 707 and 720 Series Airplanes Listed in Boeing Service Bulletin No. 1788. Compliance required within 6,000 hours' time in service after the effective date of this AD unless already accomplished. Instances of engine burner case burn through have occurred in service resulting in damage to the nacelle and lower strut in which detection of the fire was delayed because there are no fire detector elements in the area on top of the engine. To correct this unsafe condition, the following must be accomplished: Install additional fire detector elements (continuous or unit type) between the horizontal firewall and the top of the engine in the area between nacelle Stations 160 and 180. This additional detector installation shall be made in accordance with Boeing Service Bulletin No. 1788 dated July 11, 1963, or in accordance with an installation approved by the Chief, Engineering and Manufacturing Branch, FAA Western Region. (Boeing Service Bulletin No. 1788 covers the installation applicable to the various fire detector systems as installed on different groups of airplanes.) This directive effective February 7, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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