Everything here is from the references shown below, with a few comments in an alternate color.
An aileron is jammed in a fixed position due to mechanical interference or internal actuator failure.
A loss of one aileron will result in reduced lateral (roll) control effectiveness and reduced ground roll braking effectiveness.
Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019
Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019
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