AD 75-16-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA 3180-Alouette Astazou | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SA 318B-Alouette Astazou | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SA 318C-Alouette Astazou | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SA.315B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SA.316B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SA.319B Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SE 3130-Alouette II | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SE 313B-Alouette II | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
| aircraft | Airbus Helicopters | SE.3160 Alouette III | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters |
Unsafe Condition
Jamming of the tail rotor directional control due to screws P/N 3130S.66.23.002 or 3130S.66.50.016 with thread widths outside 1.5 to 2.0 mm.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Determine the width of the top of the square thread at each end of screws P/N 3130S.66.23.002 or 3130S.66.50.016. If outside 1.5-2.0 mm, rework the thread ends and reinstall the tail rotor pitch change assembly per Aerospatiale Service Bulletin No. 01.29 (or equivalent).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 hours' time in service after the effective date of this AD
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Affected Aircraft
Societe Nationale Industrielle Aerospatiale models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B with tail rotor gearboxes P/Ns 3130S.66.20.000 to 3130S.66.70.000 without AM 1004, or P/Ns 3160S.66.00.000 or 3160.66.10.000 without AM 1582.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Tail Rotor Gear Box
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-16-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-16-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIA...Show more Subject: Tail Rotor Gear Box Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/28/1975 Make: Airbus Helicopters Model: SA 3180-Alouette Astazou | SA 318B-Alouette Astazou | SA 318C-Alouette Astazou | SA.315B Alouette II...Show more 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: 75-16-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2279 AD NUMBER: 75-16-06 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters ACTION: SUMMARY: DATES: Effective July 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-16-06 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: (S.N.I.A.S. formerly SUD AVIATION). Amendment 39-2279. Applies to Alouette Helicopters SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B equipped with tail rotor gearbox, P/Ns 3130S.66.20.000, 3130S.66.30.000, 3130S.66.40.000, 3130S.66.50.000, 3130S.66.60.000, or 3130S.66.70.000 without modification AM 1004, or P/Ns 3160S.66.00.000 or 3160.66.10.000 without modification AM 1582. Compliance is required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Lama Service Bulletin No. 01.03 for Model SA315B or Alouette Service Bulletin No. 01.29 for the other designated models. To prevent possible jamming of the tail rotor directional control, accomplish the following: (a) Determine the width of the top of the square thread at each end of screws P/N 3130S.66.23.002 or 3130S.66.50.016. If the width is between 1.5 and 2.0 mm, the assembly may be reinstalled without further work. NOTE: Access to the screws is gained by removing the tail rotor pitch change control shaft. (b) If the thread width is not within 1.5 and 2.0mm, rework the extreme end of the thread and reinstall the tail rotor pitch change assembly in accordance with Aerospatiale Service Bulletin No. 01.29 dated November 10, 1971 (except Aerospatiale Service Bulletin No. 01.03 dated November 10, 1971 for Model SA315B), or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, NY 09667. This amendment becomes effective July 28, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-16-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-16-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIA...Show more Subject: Tail Rotor Gear Box Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/28/1975 Make: Airbus Helicopters Model: SA 3180-Alouette Astazou | SA 318B-Alouette Astazou | SA 318C-Alouette Astazou | SA.315B Alouette II...Show more 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: 75-16-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2279 AD NUMBER: 75-16-06 SUBJECT HEADING: Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S. formerly SUD AVIATION) Models SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B Helicopters ACTION: SUMMARY: DATES: Effective July 28, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-16-06 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: (S.N.I.A.S. formerly SUD AVIATION). Amendment 39-2279. Applies to Alouette Helicopters SE3130, SE313B, SA315B, SE3160, SA316B, SA3180, SA318B, SA318C, and SA319B equipped with tail rotor gearbox, P/Ns 3130S.66.20.000, 3130S.66.30.000, 3130S.66.40.000, 3130S.66.50.000, 3130S.66.60.000, or 3130S.66.70.000 without modification AM 1004, or P/Ns 3160S.66.00.000 or 3160.66.10.000 without modification AM 1582. Compliance is required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Lama Service Bulletin No. 01.03 for Model SA315B or Alouette Service Bulletin No. 01.29 for the other designated models. To prevent possible jamming of the tail rotor directional control, accomplish the following: (a) Determine the width of the top of the square thread at each end of screws P/N 3130S.66.23.002 or 3130S.66.50.016. If the width is between 1.5 and 2.0 mm, the assembly may be reinstalled without further work. NOTE: Access to the screws is gained by removing the tail rotor pitch change control shaft. (b) If the thread width is not within 1.5 and 2.0mm, rework the extreme end of the thread and reinstall the tail rotor pitch change assembly in accordance with Aerospatiale Service Bulletin No. 01.29 dated November 10, 1971 (except Aerospatiale Service Bulletin No. 01.03 dated November 10, 1971 for Model SA315B), or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, NY 09667. This amendment becomes effective July 28, 1975. FOOTER:
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Retrieved: Apr 8, 2026
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