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System Maintenance Manual

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Page 5-30 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
5.6 GFC 700 AFCS Troubleshooting
The GFC 700 is a digital Automatic Flight Control System (AFCS) which is integrated into various
components of the G1000. This section touches upon key items to note while troubleshooting the GFC
700.
Should a problem be encountered during the operation of the GFC 700, the pilot and technician should
first evaluate the overall status and condition of the G1000 system at the AUX – System Status page (on
MFD). Any alert messages, annunciations, or other abnormal behaviors should be noted in an effort to
pinpoint the fault. The object is to locate the fault within a LRU or LRUs in efforts to replace the
defective equipment.
The GFC 700 AFCS Annunciation field is located above the airspeed tape on the PFD as shown:
Figure 5-5, AFCS Annunciation Field