Runaway Roll Trim

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, §03-13-40]

Corrective Action


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


The FCCs will permanently disable a stuck trim switch when the AP DISC / TSS push-button is depressed. The previously stuck trim switch will appear inoperative.

Corrective Action

  1. AP DISC / TSS (either sidestick) . . . PRESS and RELEASE

  2. Affected Trim Switch . . . Identify

  3. Operational Roll Trim . . . Use

  4. Landing Controllability Check . . . Perform (if required)
    a. Refer to 03-13-10, Landing Controllability Check.

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

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