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
AI-generated summary from the source AD text. Verify against the official source before acting.
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.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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