AD 74-14-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF6-6D | GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines |
| engine | General Electric Company | CF6-6D1 | GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines |
Unsafe Condition
Expulsion of fifth stage low pressure turbine blades from the engine
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Required Actions
Install improved blade retainer P/N 9083M19P07 per General Electric Service Bulletin (CF6-6) 72-399 Revision 1 dated March 20, 1974, or subsequent FAA approved revision.
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Compliance Time
by September 30, 1974
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Affected Aircraft
GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Turbofan Engines
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Federal Register Abstract
Turbine Blades
Applicability Source Text
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AD Final Rules - DRS_74-14-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-14-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines Subject: Turbine Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/12/1974 Make: General Electric Company Model: CF6-6D | CF6-6D1 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-14-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1894 AD NUMBER: 74-14-08 SUBJECT HEADING: GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines ACTION: SUMMARY: DATES: Effective July 12, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-14-08 GENERAL ELECTRIC: Amendment 39-1894. Applies to Models CF6-6D, 6D1, and 6H Turbofan Engines. Compliance required by September 30, 1974. To prevent expulsion from the engine of fifth stage low pressure turbine blades, unless already accomplished, install improved blade retainer P/N 9083M19P07 per the instructions of General Electric Service Bulletin (CF6-6) 72-399 Revision 1 dated March 20, 1974, or subsequent FAA approved revision. This amendment becomes effective July 12, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_74-14-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-14-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines Subject: Turbine Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/12/1974 Make: General Electric Company Model: CF6-6D | CF6-6D1 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-14-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1894 AD NUMBER: 74-14-08 SUBJECT HEADING: GENERAL ELECTRIC Models CF6-6D, 6D1, and 6H Engines ACTION: SUMMARY: DATES: Effective July 12, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-14-08 GENERAL ELECTRIC: Amendment 39-1894. Applies to Models CF6-6D, 6D1, and 6H Turbofan Engines. Compliance required by September 30, 1974. To prevent expulsion from the engine of fifth stage low pressure turbine blades, unless already accomplished, install improved blade retainer P/N 9083M19P07 per the instructions of General Electric Service Bulletin (CF6-6) 72-399 Revision 1 dated March 20, 1974, or subsequent FAA approved revision. This amendment becomes effective July 12, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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