AD 2010-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 and Model ERJ 190 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 and Model ERJ 190 Airplanes |
Unsafe Condition
Intermittent communication between AMS controller cards and both Secondary Power Distribution Assemblies (SPDAs) results in the message 'RECIRC SMK DET FAIL' displayed in the EICAS. This could lead to loss of automatic activation of the engine inlet ice protection system in icing conditions.
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Required Actions
Revise the Limitations section of the airplane flight manual to prohibit dispatch with the message 'RECIRC SMK DET FAIL' displayed on the ground unless troubleshooting confirms the message is not triggered by an AMS controller card failure.
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Compliance Time
Before further flight
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Affected Aircraft
EMBRAER Model ERJ 170 and Model ERJ 190 airplanes equipped with AMS controller cards having part number 1001050-1-YYY or 1001050-2-YYY containing software version Black Label 08 or lower.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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