AD 75-22-03
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369 | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
| aircraft | MD Helicopters, Inc. | 369A | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
| aircraft | MD Helicopters, Inc. | 369H | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
| aircraft | MD Helicopters, Inc. | 369HE | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
| aircraft | MD Helicopters, Inc. | 369HM | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
| aircraft | MD Helicopters, Inc. | 369HS | Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM |
Unsafe Condition
Failure of the tail rotor drive shaft (Part Number 369A5518) could result in emergency flight situations.
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Required Actions
Replace drive shaft P/N 369A5518 with P/N 369A5518-601 following Hughes Service Information Notice No. HN-86, Part I, B.3., or equivalent FAA-approved procedures.
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Compliance Time
within the next 50 hours time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM, and military OH-6A and YOH-6A helicopters with tail rotor blades P/N 369A1613 or -3 and tail rotor drive shaft P/N 369A5518.
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Federal Register Abstract
Tail Rotor Drive Shaft
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-22-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM Subject: Tail Rotor Drive Shaft Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/24/1975 Make: MD Helicopters, Inc. Model: 369 | 369A | 369H | 369HE | 369HM | 369HS Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-22-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2387 AD NUMBER: 75-22-03 SUBJECT HEADING: Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM ACTION: SUMMARY: DATES: Effective October 24, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-03 HUGHES HELICOPTERS: Amendment 39-2387. Applies to all Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM, certificated in all categories and military OH- 6A and YOH-6A helicopters incorporating metal tail rotor blades Part Number 369A1613, or -3, in combination with tail rotor drive shaft, Part Number 369A5518. Compliance required within the next 50 hours time in service, after the effective date of this AD unless already accomplished. (a) To prevent possible emergency flight situations resulting from failure of the tail rotor drive shaft, replace drive shaft P/N 369A5518 with drive shaft P/N 369A5518-601 in accordance with Part I, B.3. of Hughes Service Information Notice No. HN-86, dated April 28, 1975, or later FAA-approved revisions. (b) Aircraft may be flown in accordance with FAR 21.197 to a base for the performance of the maintenance described herein. (c) Equivalent modification procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region. NOTE: Assure that the record to reflect compliance with this AD is made in aircraft records in accordance with FAR's 91.165 and 91.173. This amendment becomes effective October 24, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-22-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM Subject: Tail Rotor Drive Shaft Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/24/1975 Make: MD Helicopters, Inc. Model: 369 | 369A | 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: 75-22-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2387 AD NUMBER: 75-22-03 SUBJECT HEADING: Airworthiness Directives; Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM ACTION: SUMMARY: DATES: Effective October 24, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-03 HUGHES HELICOPTERS: Amendment 39-2387. Applies to all Hughes Model 369, 369A, 369H, 369HS, 369HE, 369HM, certificated in all categories and military OH- 6A and YOH-6A helicopters incorporating metal tail rotor blades Part Number 369A1613, or -3, in combination with tail rotor drive shaft, Part Number 369A5518. Compliance required within the next 50 hours time in service, after the effective date of this AD unless already accomplished. (a) To prevent possible emergency flight situations resulting from failure of the tail rotor drive shaft, replace drive shaft P/N 369A5518 with drive shaft P/N 369A5518-601 in accordance with Part I, B.3. of Hughes Service Information Notice No. HN-86, dated April 28, 1975, or later FAA-approved revisions. (b) Aircraft may be flown in accordance with FAR 21.197 to a base for the performance of the maintenance described herein. (c) Equivalent modification procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region. NOTE: Assure that the record to reflect compliance with this AD is made in aircraft records in accordance with FAR's 91.165 and 91.173. This amendment becomes effective October 24, 1975. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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