AD 75-09-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes |
Unsafe Condition
Collar assembly - lower steering support, P/N ACG 7008-1, may fail due to fatigue cracking after accumulating 44,500 landings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service collar assembly - lower steering support, P/N ACG 7008-1, prior to 44,500 landings; permanently mark it to prevent return to service. Replace with a serviceable assembly having less than 44,500 landings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to the accumulation of 44,500 landings
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Affected Aircraft
MCDONNELL DOUGLAS DC-10-10 and DC-10-10F airplanes with P/N ACG 7008-1 collar assembly installed
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Federal Register Abstract
Collar Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-09-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-09-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes Subject: Collar Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/28/1975 Make: The Boeing Company Model: DC-10-10 | DC-10-10F Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-09-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2184 AD NUMBER: 75-09-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes ACTION: SUMMARY: DATES: Effective April 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-09-11 MCDONNELL DOUGLAS: Amendment 39-2184. Applies to Model DC-10-10 and DC-10-10F airplanes, certificated in all categories, with P/N ACG 7008-1, collar assembly - lower steering support installed. To insure continued airworthiness of these assemblies, prior to the accumulation of 44,500 landings, remove from service collar assembly - lower steering support, P/N ACG 7008-1, and mark it permanently and conspicuously to prevent its inadvertent return to service. Replace it with a serviceable assembly having less than 44,500 landings. The previously established service life of 231,666 landings is no longer applicable. This amendment becomes effective April 28, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-09-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-09-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes Subject: Collar Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/28/1975 Make: The Boeing Company Model: DC-10-10 | DC-10-10F 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: 75-09-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2184 AD NUMBER: 75-09-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10 and DC-10-10F Airplanes ACTION: SUMMARY: DATES: Effective April 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-09-11 MCDONNELL DOUGLAS: Amendment 39-2184. Applies to Model DC-10-10 and DC-10-10F airplanes, certificated in all categories, with P/N ACG 7008-1, collar assembly - lower steering support installed. To insure continued airworthiness of these assemblies, prior to the accumulation of 44,500 landings, remove from service collar assembly - lower steering support, P/N ACG 7008-1, and mark it permanently and conspicuously to prevent its inadvertent return to service. Replace it with a serviceable assembly having less than 44,500 landings. The previously established service life of 231,666 landings is no longer applicable. This amendment becomes effective April 28, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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