AD 2013-23-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
Loss of the self-locking feature of the sliding door lower ball-joint nut, which could result in detachment of the lower ball-joint bolt from the sliding door and subsequent loss of the sliding door from the helicopter in flight.
Required Actions
Remove each nut, part number (P/N) ASN52320BH060N, and each washer, P/N 23111AG0LE, from the left-hand and right-hand sliding door lower ball-joint bolts and replace them with an airworthy nut and washer. Do not install a nut, P/N ASN52320BH060N, or washer, P/N 23111AG0LE, on any sliding door lower ball-joint bolt.
Compliance Time
Within 165 hours time-in-service
Affected Aircraft
Eurocopter France (Eurocopter) Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters with sliding doors installed, except those with modification AL.4262, certificated in any category.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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