AD 2010-09-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Eurocopter France Model AS350B, BA, B1, B2, B3, C, D, and D1; AS 355E, F, F1, F2, N, and NP Helicopters |
Unsafe Condition
A short circuit in the hoist motor brush power supply wiring resulting in an uncommanded squib firing, which cuts the hoist cable.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Disconnect the ground wire for the hoist squib wiring and test the hoist system to assure that the squib can be electrically fired (MOD 073318) by following the Accomplishment Instructions in Eurocopter Alert Service Bulletin No. 25.00.95 (AS350 models) or No. 25.00.85 (AS355 models).
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Compliance Time
Before the next hoist operation.
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Affected Aircraft
Eurocopter France Model AS350B, BA, B1, B2, B3, C, D, and D1; AS 355E, F, F1, F2, N, and NP helicopters with a Goodrich Electric hoist, part number 76370-XXX, which has not been modified per Modification 073318 and with a hoist motor other than an AUXILEC 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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