Flight Control Computer Multiple (2 or 3) Channels Fail

Gulfstream GVII

Eddie sez:

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

Last revision:

20191019

AFM Procedure

[AFM, §03-13-70]

Possible Cause

Indicated channel(s) of the Flight Control Computer have failed.

images

Photo: Possible Cause, AFM, §03-13-70
Click photo for a larger image

Corrective Action

NOTE

To view the FCS Synoptic Legend, refer to 03-13-190, FCS Synoptic Legend.

WARNING

IF FCC 1B AND 2A CHANNELS ARE FAILED, SELECTING THE UPS BATTERY SWITCH OFF WILL RESULT IN LOSS OF AIRPLANE CONTROL.

  1. MAIN BATTERIES and FCS BATTERIES . . . Verify On

  2. Autopilot . . . OFF

  3. FLT CTRL RESET . . . PRESS and RELEASE

  4. If the CAS message is no longer displayed:
    a. Flight . . . Continue

  5. If the CAS message remains displayed after waiting 10 seconds:
    a. Airplane . . . Land as soon as practicable

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

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