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	+ Home		+ NASA Home > Mission Sections > Space Shuttle > Return to Flight > News and Media Print This Email This Engine Cutoff (ECO) Sensor Graphics NASA has been troubleshooting a problem with a low-fuel sensor in the Shuttle's External Tank. The graphics below show the sensor's location and relationship to other parts of the system. + LH2 ECO Sensor Locations + Overall Schematic of ECO and Liquid Level (Point) Sensors + Orbiter Avionics Bays + Orbiter Aft Avionics Bays + Functional Block Diagram of Point Sensor Box + Exploded View of Point Sensor Box
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