AD 2003-08-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model AS350B3 | Airworthiness Directives; Eurocopter France Model AS350B3 Helicopters |
Unsafe Condition
Absence of resistor R8 on the ASU No. 2 printed circuit board (PCB) that polarizes the voltage regulator, leading to malfunction of critical warning and caution lights, and the main rotor RPM signal to the VEMD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the ASU No. 2 PCB to verify if resistor R8 is installed. If resistor R8 is not installed, replace the PCB with an airworthy one that includes the resistor.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Eurocopter France Model AS350B3 helicopters with the specified ASU No. 2 PCB configuration.
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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