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Select color for CAS message that you wish to troubleshoot

(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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For AOG assistance contact:

CRC Montreal (YUL)
Quick Links

07/09/19

Message Overview:

AP TRIM IS ND
(Caution)

DDG Reference: None
Pilot Action (QRH): ABNORM 3-3
System Description: 22-12-00
Schematic Diagram: 22-12-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 22-12-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

The elevator mis-trim monitor sets the "AP TRIM IS ND" CAS message when a steady state constant torque is being held by the AP on the elevator servo motor.

Possible Causes:

  • Elevator
  • Horizontal-Stabilizer
  • Elevator Servo (B25)
  • Integrated Avionics Computer (IAC)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

NOTE: The AP TRIM IS ND message is not an indication of a system, an LRU, or an interface fault. The message shows that a pilot action is necessary to correct the condition. Refer to Airplane Flight Manual (AFM).

Quick Links:

Removal of Integrated Avionics Computers (IAC) AMM 31-41-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of Integrated Avionics Computers (IAC) AMM 31-41-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

None

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