Fuel Pump Failure

Gulfstream GVII

Eddie sez:

Everything here is from the references shown below, with a few comments in an alternate color.

Last revision:


AFM Procedure

[AFM, §03-14-10]

Possible Cause


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System Impacts

  • Engines: Maximum suction feed altitude is 20,000 feet. Engines will run erratically and may flameout if operated above this altitude without boosted fuel pressure.

Corrective Action

  1. MAIN FUEL PUMP and ALT FUEL PUMP (Left and Right) . . . ON
  2. NOTE

    Heated Fuel Return System is inhibited with the Crossflow Valve open.

  4. FUEL PUMP (Inoperative) OFF
  5. Fuel Balance Monitor and Maintain
  6. If fuel balancing is required: Refer to 02-08-60, Fuel Balancing in Flight.

Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019

Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019