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(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

08/29/19

Message Overview:

Fault Message:

IRS 1 INTERNAL FAULT

Fault Code:

3440002IR

Associated CAS:

None

Reporting LRU: Inertial Reference Unit (IRU) 1
System Description: 34-45-00
Schematic Diagram: 34-45-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-45-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Inertial Reference Unit (IRU) 1 has an internal fault and does not operate correctly.

Possible Causes:

  • Inertial Reference Unit (IRU) 1 (A32)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to System Diagnostics AMM 45-45-00-970-804 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Integrated Maintenance Test (IMT) Fault
Code Look-Up		 AMM 45-45-00-970-826 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. On the CAIMS PMAT, get access to system diagnostics and perform the ASCB System Test.
  2. After each test is completed, look for the TEST RESULTS page and record the fault type and code(s) for each IMT fault.
  3. Perform the IMT fault code look-up procedure to find the applicable troubleshooting procedures.
  4. Carry out troubleshooting procedures.
  5. Do close out.

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