AD 2013-22-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
A crack in the intermediate gearbox (IGB) fairing could result in separation of the IGB fairing from its attachment supports, leading to interference with the tail rotor (T/R) inclined drive shaft, failure of the T/R inclined drive shaft, 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
Inspect the IGB fairing and both attachment supports for a crack. If a crack is found, replace the cracked part with an airworthy part. For helicopters with IGB fairing part numbers 332A24-0303-0501 or 332A24-0303-0601, inspect the IGB fairing gutter for a crack. If a crack is found, replace the gutter and inspect the IGB fairing for separation or interference. If interference is found between the gutter and the T/R inclined drive shaft tube, replace both the T/R inclined drive shaft tube and the IGB fairing/gutter assembly. If interference is found between the gutter and hydraulic pipes, replace the IGB fairing/gutter assembly and inspect the hydraulic pipes for dents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 15 hours time-in-service (TIS), and thereafter at intervals not to exceed 15 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter France Model AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters with an intermediate gearbox (IGB) fairing, part number (P/N) 332A24-0303-0501, P/N 332A24-0303-0601, P/N 332A081391.00, or P/N 332A081391.01 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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