AD 98-12-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | AS332C | Airworthiness Directives; Eurocopter France Model AS 332C, L, L1, and L2 Helicopters |
| aircraft | Airbus Helicopters | AS332L | Airworthiness Directives; Eurocopter France Model AS 332C, L, L1, and L2 Helicopters |
| aircraft | Airbus Helicopters | AS332L1 | Airworthiness Directives; Eurocopter France Model AS 332C, L, L1, and L2 Helicopters |
| aircraft | Airbus Helicopters | AS332L2 | Airworthiness Directives; Eurocopter France Model AS 332C, L, L1, and L2 Helicopters |
Unsafe Condition
Failure of the intermediate gearbox-to-structure attachment stirrup front tabs, leading to loss of anti-torque drive and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the stirrup front tabs for cracks before the first flight of each day. Within 100 hours time-in-service, inspect the attachment assemblies for thickness conformity. Replace the intermediate gearbox if cracks are found, and ensure attachment assemblies meet specified conformity requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the first flight of each day and within 100 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter France Model AS 332C, L, L1, and L2 helicopters with intermediate gearboxes (IGB) part numbers 332A35-0002 all dash numbers, 332A35-0010 all dash numbers, or 332A35-0011-01 installed, except those modified per MOD 0761049 or MOD 0761050.
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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