AD 84-01-02 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369 | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369A | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369D | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369E | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369F | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369H | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HE | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HM | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HS | Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters |
Unsafe Condition
Possible loss of control of rotor system in flight due to deficient swashplate bearing assembly P/N 369A7003-3.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Comply with paragraphs A through J of procedures section of Hughes Helicopters, Inc., Mandatory Service Information Notices DN-125, EN-12, and HN-191, replace deficient swashplate bearing assembly with serviceable unit, and ensure replacement bearings are S/N 9000-9999, have a 1/8-inch-diameter blue dot on the snap ring, or are FAA approved equivalent.
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Compliance Time
prior to further flight
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Affected Aircraft
MD Helicopters, Inc. Model 369 series including Army YOH-6A, OH-6A, 369A, 369D, 369E, 369H, 369HE, 369HM, and 369HS helicopters with swashplate bearing assembly P/N 369A7003-3 installed after June 1, 1983.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rotor System Control
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-01-02_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-01-02 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters Subject: Rotor System Control Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/09/1984 Make: MD Helicopters, Inc. Model: 369 | 369A | 369D | 369E | 369F | 369H | 369HE | 369HM | 369HS Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-01-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4831 AD NUMBER: 84-01-02 R1 SUBJECT HEADING: Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters ACTION: SUMMARY: DATES: ; Effective April 9, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-01-02 R1 HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS): Amendment 39-4831. Applies to Hughes Helicopters, Inc., Model 369 series including Army YOH-6A, and OH6A helicopters certificated in all categories. Compliance is required prior to further flight, unless already accomplished. To prevent possible loss of control of rotor system in flight, accomplish the following: For Hughes Helicopters, Inc., Model 369 (Army YOH-6A), 369A (Army OH-6A) D, E, H, HE, HM, and HS helicopters with swashplate bearing assembly P/N 369A7OO3-3 installed after June 1, 1983; (a) Comply with paragraphs A through J of procedures section of Hughes Helicopters, Inc., Mandatory Service Information Notices DN-125, EN-12, and HN-191, as applicable, all dated December 23, 1983, or FAA approved equivalent. Model 369 series are to comply with Mandatory Service Information Notice HN-191 or FAA approved equivalent. (b) Replace deficient swashplate bearing assembly with serviceable unit. (c) Swashplate bearing assembly P/N 369A7003-3 with positively identified serial numbers 9000 through 9999 or with a 1/8-inch-diameter blue dot on the outer surface of the snap ring has been determined to contain the ball bearing cage and need not be reinspected. (d) Only subject bearing assembly positively identified as being S/Ns 9000-9999 or bearing assemblies with blue dot on the outer surface of snap ring or FAA approved equivalent bearing assemblies approved by the Manager, Western Aircraft Certification Office may be used as replacement swashplate bearing assemblies. Alternative inspections, modifications, or other actions which provide an equivalent level of safety may be used when approved by the Manager, Western Aircraft Certification Office, Hawthorne, California. This amendment becomes effective April 9, 1984, as to all persons except those persons to whom it was made immediately effective by priority mail AD 84-01-02, issued January 10, 1984, which contained this amendment. FOOTER:
Document Text
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AD Final Rules - DRS_84-01-02_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-01-02 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters Subject: Rotor System Control Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/09/1984 Make: MD Helicopters, Inc. Model: 369 | 369A | 369D | 369E | 369F | 369H | 369HE | 369HM | 369HS Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-01-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4831 AD NUMBER: 84-01-02 R1 SUBJECT HEADING: Airworthiness Directives; HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS) Model 369 Series Helicopters ACTION: SUMMARY: DATES: ; Effective April 9, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-01-02 R1 HUGHES HELICOPTERS, INC. (HUGHES HELICOPTERS): Amendment 39-4831. Applies to Hughes Helicopters, Inc., Model 369 series including Army YOH-6A, and OH6A helicopters certificated in all categories. Compliance is required prior to further flight, unless already accomplished. To prevent possible loss of control of rotor system in flight, accomplish the following: For Hughes Helicopters, Inc., Model 369 (Army YOH-6A), 369A (Army OH-6A) D, E, H, HE, HM, and HS helicopters with swashplate bearing assembly P/N 369A7OO3-3 installed after June 1, 1983; (a) Comply with paragraphs A through J of procedures section of Hughes Helicopters, Inc., Mandatory Service Information Notices DN-125, EN-12, and HN-191, as applicable, all dated December 23, 1983, or FAA approved equivalent. Model 369 series are to comply with Mandatory Service Information Notice HN-191 or FAA approved equivalent. (b) Replace deficient swashplate bearing assembly with serviceable unit. (c) Swashplate bearing assembly P/N 369A7003-3 with positively identified serial numbers 9000 through 9999 or with a 1/8-inch-diameter blue dot on the outer surface of the snap ring has been determined to contain the ball bearing cage and need not be reinspected. (d) Only subject bearing assembly positively identified as being S/Ns 9000-9999 or bearing assemblies with blue dot on the outer surface of snap ring or FAA approved equivalent bearing assemblies approved by the Manager, Western Aircraft Certification Office may be used as replacement swashplate bearing assemblies. Alternative inspections, modifications, or other actions which provide an equivalent level of safety may be used when approved by the Manager, Western Aircraft Certification Office, Hawthorne, California. This amendment becomes effective April 9, 1984, as to all persons except those persons to whom it was made immediately effective by priority mail AD 84-01-02, issued January 10, 1984, which contained this amendment. FOOTER:
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