Astra Low Fuel Pressure Indication

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February 2010

If you operate an Astra, not including SPX/G-100 models, and you have an intermittent left fuel pressure annunciator illumination, keep reading.

Recently, several operators have experienced an intermittent flickering light that triggers the electric boost pump to start sometimes but not all the time. While inspecting the wire bundle from the fuel pressure switch to the pylon, an industry network connection found a chafe mark on the wires. It seems that the lower cowling rubs on the bundle when the cowl is closed. The wires were pinched and the wire shielding was exposed, causing the wire to provide a ground for the light. The chafed wire bundle can be repositioned a bit and the wires protected.

Please contact a Duncan Aviation Astra Tech Rep for more information.

Astra Technical Support

	Garity, Tim - Airframe Tech Rep - Lincoln, NE (LNK). Aviation professional since 1974. Airframes: Astra / Westwind, Embraer, Gulfstream
	Direct: 402.479.1546 Mobile: 402.429.0368

	Overheul, Jim - Airframe Tech Rep - Battle Creek, MI (BTL). Aviation professional since 1984. Airframes: Astra / Westwind, Embraer, Gulfstream
	Direct: 269.969.8477 Mobile: 269.209.1210

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