Failure of the Turbine Cooling-Air Valve-Solenoid on Engine 1

scal320 · 发表于 2009-8-17 20:24:13

PFR:             E /W:  ENG 1 FADEC
      FAILURE MSG:  TCA  VLV SOL/HC/EEC1

Solenoid valve

The solenoid valve is mounted on the fan case.
It is energized/de-energized in response to EEC signals. When energized the solenoid supplies high pressure compressor discharge air to the control valve which shuts-off the flow of cooling air.
De-energizing the solenoid opens the control valve allowing full cooling air flow.
Scheduling by the EEC is a function of high rotor speed and altitude.

dalang119 · 发表于 2009-8-18 10:27:02

thanks

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[A380] Failure of the Turbine Cooling-Air Valve-Solenoid on Engine 1