AD 2013-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France (Eurocopter) | Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters |
Unsafe Condition
Seizure of the hydraulic pump drive pulley bearing leading to hydraulic pump drive belt failure, loss of hydraulic servo assistance, and increased pilot workload.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the pulley bearing for leaks, rust, overheating, and condition. Replace the hydraulic pump drive assembly if any of the specified conditions exist.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS) and thereafter at intervals not exceeding 25 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, and AS350D1 helicopters with a single hydraulic system and a certain hydraulic pump drive installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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