AD 99-07-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA.315B Alouette III | Airworthiness Directives; Eurocopter France Model SA.315B Helicopters |
Unsafe Condition
Bonding separation, corrosion, or a crack in the spar skin and main rotor blade root reinforcement strip area could result in blade failure and loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each blade spar skin and root reinforcement strip area for bonding separation, corrosion, or cracks using a 3- to 7-power magnifying glass. Replace the blade if any separation, corrosion, or cracks are found.
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Compliance Time
Before further flight, and thereafter at intervals not to exceed 100 hours time-in-service (TIS) or 6 months, whichever occurs first.
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Affected Aircraft
Eurocopter France Model SA.315B helicopters with main rotor blades part numbers 3160S11-10000-all, 3160S11-30000-all, 3160S11-35000-all, 3160S11-40000-all, 3160S11-45000-all, 3160S11-50000-all, or 3160S11-55000-all.
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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