AD 70-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32F (C-9A) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-32F (C-9B) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-33F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-34 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-34F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-41 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-51 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes |
Unsafe Condition
Tire tread separation striking the fire-x-fuel shutoff valve cable system could cause a possible fuel interruption.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a protective guard over the fire-x-fuel shutoff valve return idler pulley bracket in the main landing gear wheel wells in accordance with Douglas Aircraft Co. Service Bulletin No. 28-16, Revision 1, or an equivalent installation approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 800 hours time in service after the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-9 series airplanes certificated as listed in Douglas Aircraft Company Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Tire Tread Separation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-09-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-09-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes Subject: Tire Tread Separation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/02/1970 Make: The Boeing Company Model: DC-9-11 | DC-9-12 | DC-9-13 | DC-9-14 | DC-9-15 | DC-9-15F | DC-9-21 | DC-9-31 | DC-9-32 | DC-9-32 (...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: 70-09-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-982 AD NUMBER: 70-09-04 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes ACTION: SUMMARY: DATES: Effective June 2, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-09-04 MCDONNELL DOUGLAS: Amdt. 39-982. Applies to Douglas DC-9 series airplanes certificated in all categories as listed in Douglas Aircraft Company Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision. Compliance required within the next 800 hours time in service after the effective date of this AD, unless already accomplished. To prevent a possible fuel interruption due to tire tread separation striking the fire-x-fuel shutoff valve cable system, accomplish the following. Install a protective guard over the fire-x-fuel shutoff valve return idler pulley bracket located in the main landing gear wheel wells in accordance with the instructions of Douglas Aircraft Co. Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision or an equivalent installation approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective June 2, 1970. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_70-09-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-09-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes Subject: Tire Tread Separation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/02/1970 Make: The Boeing Company Model: DC-9-11 | DC-9-12 | DC-9-13 | DC-9-14 | DC-9-15 | DC-9-15F | DC-9-21 | DC-9-31 | DC-9-32 | DC-9-32 (...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: 70-09-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-982 AD NUMBER: 70-09-04 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-9 Series Airplanes ACTION: SUMMARY: DATES: Effective June 2, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-09-04 MCDONNELL DOUGLAS: Amdt. 39-982. Applies to Douglas DC-9 series airplanes certificated in all categories as listed in Douglas Aircraft Company Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision. Compliance required within the next 800 hours time in service after the effective date of this AD, unless already accomplished. To prevent a possible fuel interruption due to tire tread separation striking the fire-x-fuel shutoff valve cable system, accomplish the following. Install a protective guard over the fire-x-fuel shutoff valve return idler pulley bracket located in the main landing gear wheel wells in accordance with the instructions of Douglas Aircraft Co. Service Bulletin No. 28-16, Revision 1, dated January 9, 1970, or later FAA approved revision or an equivalent installation approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective June 2, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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