AD 2022-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter France | AS350B3 and EC130T2 | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters |
| aircraft | Airbus | Various | Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters |
Unsafe Condition
An internal failure of the engine digital electronic control unit (DECU), which led to loss of fuel flow regulation (frozen fuel metering unit). This failure was not indicated to the pilot by a red GOV warning light as expected, but with amber GOV indication and loss of VEMD display instead.
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Required Actions
Revising the existing rotorcraft flight manual (RFM) for your helicopter by inserting a new procedure (temporary). For helicopters on which an optional terminating action (installation of serviceable FADECs) was done, removing the applicable temporary procedure from the existing RFM for your helicopter.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Helicopters (type certificate previously held by Eurocopter France) Model AS350B3 and EC130T2 helicopters with an ARRIEL 2D engine and THALES FADEC part number (P/N) C13165DA00 without amendment A or THALES FADEC P/N C13165FA00 without amendment B, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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