AD 61-22-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SE 3130-Alouette II | Airworthiness Directives; Sud Aviation Model SE 3130 Alouette II Helicopters |
Unsafe Condition
Defective tail rotor gear box bolts (P/N 66.20.043) and guides (P/N 66.20.213) may fail due to cracks, corrosion, peeling, surface finish defects, or excessive bore dimensions, leading to tail rotor gear box detachment.
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Required Actions
Inspect tail rotor gear box bolts and guides within the next 10 hours' time in service. Reinspect and check torque every 50 hours' time in service. Remove and inspect the gear box every 100 hours' time in service. Replace bolts and guides if they fail inspection criteria (cracks, corrosion, peeling, surface finish defects, or bore exceeding 8.33 mm).
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Compliance Time
within the next 10 hours' time in service
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Affected Aircraft
Sud Aviation Model SE 3130 Alouette II Helicopters
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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