AD 84-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF6-45A | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-45A2 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50A | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C1 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2B | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50C2D | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50CA | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E1 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E2 | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
| engine | General Electric Company | CF6-50E2B | GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines |
Unsafe Condition
The possibility of uncontained titanium fires due to failure of compressor assemblies in CF6-45 and CF6-50 series engines.
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Required Actions
Replace compressor stator assembly, compressor inlet stator vanes, stage 1 and 2 stator vanes, compressor blades stages 3 through 9, and stage 3-9 spool in accordance with FAA-approved Service Bulletins 72-549, 72-550, and 72-551.
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Compliance Time
prior to June 1, 1984
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Affected Aircraft
General Electric Company CF6-45 and CF6-50 series engines including models CF6-45A, CF6-45A2, CF6-50A, CF6-50C, CF6-50C1, CF6-50C2, CF6-50C2B, CF6-50C2D, CF6-50CA, and others as listed.
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Federal Register Abstract
Compressor Assemblies
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines Subject: Compressor Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/10/1984 Make: General Electric Company Model: CF6-45A | CF6-45A2 | CF6-50A | CF6-50C | CF6-50C1 | CF6-50C2 | CF6-50C2B | CF6-50C2D | CF6-50CA | CF...Show more 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: 84-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4790 AD NUMBER: 84-01-01 SUBJECT HEADING: GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines ACTION: SUMMARY: DATES: Effective February 10, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-01-01 GENERAL ELECTRIC COMPANY: Amendment 39-4790. Applies to CF6-45 and CF6-50 series model turbofan engines. Unless already accomplished, to preclude the possibility of uncontained titanium fires, replace as follows prior to June 1, 1984: (a) Compressor stator assembly, including the compressor case, and stage 6 vanes in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-549. (b) Compressor inlet stator vanes and stage 1 and 2 stator vanes in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-550. (c) Compressor blades, stages 3 through 9, and the stage 3-9 spool in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-551. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request from the General Electric Company, Neumann Way, Cincinnati, Ohio 45215. These documents may also be examined at the FAA, New England Region, 12 New England Executive Park, Burlington, Massachusetts. A historical file on this AD is maintained by the FAA, New England Region Office, Burlington, Massachusetts. Upon request of the operator, an FAA Maintenance Inspector, subject to prior approval of the Manager, Engine Certification Branch, FAA, New England Region, may adjust the compliance date(s) specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for that operator. This amendment becomes effective on February 10, 1984. FOOTER:
Document Text
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AD Final Rules - DRS_84-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines Subject: Compressor Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/10/1984 Make: General Electric Company Model: CF6-45A | CF6-45A2 | CF6-50A | CF6-50C | CF6-50C1 | CF6-50C2 | CF6-50C2B | CF6-50C2D | CF6-50CA | CF...Show more 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: 84-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4790 AD NUMBER: 84-01-01 SUBJECT HEADING: GENERAL ELECTRIC COMPANY Models CF6-45 and CF6-50 Series Engines ACTION: SUMMARY: DATES: Effective February 10, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-01-01 GENERAL ELECTRIC COMPANY: Amendment 39-4790. Applies to CF6-45 and CF6-50 series model turbofan engines. Unless already accomplished, to preclude the possibility of uncontained titanium fires, replace as follows prior to June 1, 1984: (a) Compressor stator assembly, including the compressor case, and stage 6 vanes in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-549. (b) Compressor inlet stator vanes and stage 1 and 2 stator vanes in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-550. (c) Compressor blades, stages 3 through 9, and the stage 3-9 spool in accordance with FAA approved General Electric CF6-45 and CF6-50 Service Bulletin 72-551. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request from the General Electric Company, Neumann Way, Cincinnati, Ohio 45215. These documents may also be examined at the FAA, New England Region, 12 New England Executive Park, Burlington, Massachusetts. A historical file on this AD is maintained by the FAA, New England Region Office, Burlington, Massachusetts. Upon request of the operator, an FAA Maintenance Inspector, subject to prior approval of the Manager, Engine Certification Branch, FAA, New England Region, may adjust the compliance date(s) specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for that operator. This amendment becomes effective on February 10, 1984. FOOTER:
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Retrieved: Apr 8, 2026
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