Garmin SOCATA TBM850, Pilot'S Manual

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Garmin G1000 Pilot’s Guide for the Socata TBM 850
190-00709-04 Rev. A 632
APPENDIX A
AFCS ALERTS
Figure A-5 AFCS Status Annunciation
AFCS Status
Annunciation
The following alert annunciations appear in the AFCS System Status field on the PFD.
Alert Condition Annunciation Description
Rudder Mistrim Right
Yaw servo providing sustained force in the indicated direction. Aircraft rudder retrim
after substantial pitch and power changes required.
Rudder Mistrim Left
Aileron Mistrim Right
Roll servo providing sustained force in the indicated direction
Aileron Mistrim Left
Elevator Mistrim
Down
Pitch servo providing sustained force in the indicated direction. May indicate a
failure of the pitch trim servo or trim system.
Elevator Mistrim Up
Pitch Trim Failure
(or stuck MEPT
Switch)
If AP engaged, take control of the aircraft and disengage AP
If AP disengaged, move
MEPT
switches separately to unstick
Yaw Trim Failure
(or stuck
MEYT
Switch)
If AP engaged, take control of the aircraft and disengage AP
If AP disengaged, move the
MEYT switch to check if a stuck switch is causing the
annunciation
Yaw Damper Failure YD control failure; AP also inoperative
Roll Failure Roll axis control failure; AP inoperative
Pitch Failure Pitch axis control failure; AP inoperative
System Failure AP and MEPT are unavailable; FD may still be available
Preflight Test
Performing preflight system test; aural alert sounds at completion
Do not press the
AP DISC
Switch during servo power-up and preflight system tests
as this may cause the preflight system test to fail or never to start (if servos fail their
power-up tests). Power must be cycled to the servos to remedy the situation.
Preflight system test failed; aural alert sounds at failure
NOTE:
Do not press the
AP DISC
switch during servo power-up and preflight system tests as this may cause
the preflight system test to fail or never to start (if servos fail their power-up tests). Power must be cycled
to the servos to remedy the situation.