AD 72-16-08
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 Alouette Astazou SA3180, SA318B, and SA318C Helicopters |
| aircraft | Airbus Helicopters | SA 318B-Alouette Astazou | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S.) formerly Sud Aviation) Models Alouette Astazou SA3180, SA318B, and SA318C Helicopters |
| aircraft | Airbus Helicopters | SA 318C-Alouette Astazou | Airworthiness Directives; Societe Nationale Industrielle Aerospatiale: (S.N.I.A.S.) formerly Sud Aviation) Models Alouette Astazou SA3180, SA318B, and SA318C Helicopters |
Unsafe Condition
Cracks or failures of the half sleeves fitted on the flexirac unions on the main gear box to cooler oil line.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the half sleeves (P/N L.16.06 or LS.16.06) by replacing the flexirac union assemblies (P/N L.16.03 or LS.16.03) with new assemblies of the same part number, following Aerospatiale Service Bulletin No. 05.39 or equivalent. Compliance must occur before further flight if not done within the last 100 or 800 hours' time in service, depending on the part number, and subsequent intervals not exceeding those times.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight unless already accomplished within the last 100 or 800 hours' time in service, and thereafter at intervals not to exceed the respective hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Societe Nationale Industrielle Aerospatiale (S.N.I.A.S.) Models Alouette Astazou SA3180, SA318B, and SA318C helicopters not modified per Service Bulletin No. 65.82 dated October 25, 1971, or equivalent.
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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