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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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Quick Links

06/14/19

Message Overview:

Fault Message:

ADLU ARINC RX 6 FAULT

Fault Code:

2320016TDY

Associated CAS:

None

Reporting LRU: Airborne Data Link Unit (ADLU)
System Description: 23-23-00
Schematic Diagram: 23-23-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 23-23-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
23-23-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Airborne Data-Link Unit (ADLU) ARINC 429 Receiver 6 firmware failure.

Possible Causes:

  • Airborne Data Link Unit (ADLU) (A239)
  • Flight Management System Control-And-Display Unit (FMS CDU) 2 (A38)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

This Receiver is used for IAC/FMS 2.

Make sure that FMS is operative and there are no active/stored faults for FMS 2.

If there are active faults related to FMS 2, troubleshoot and fix active faults before proceeding with further steps:

  • If there are stored faults related to FMS 2, make sure that faults did not happen at the same time as ADLU ARINC RX 6 FAULT. If that is the case, then start with a wiring check between the Airborne Data-Link Unit (ADLU) and FMS 2

Quick Links:

Removal of the Airborne Data-Link Unit AMM 23-23-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Airborne Data-Link Unit AMM 23-23-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Initialization of the Flight Management System (FMS) AMM 34-61-00-840-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Operate the Airborne Data-Link System via FMS 2 using VHF network to request a "dummy" flight plan provided by service provider.
    NOTE: Make sure aircraft is within VHF range of ACARS data communication ground station and VHF #3 is operative. Do the initialization of the Flight Management System (FMS).
  2. When the message FLT PLAN RECEIVED is shown on the FMS CDU 2, activate the flight plan, make sure the flight plan is loaded and the FMS CDU 3 automatically shows the ACTIVE FLT PLAN page 1/1. Is the ACTIVE FLT PLAN page 1/1 shown?

    1. If YES, verify that CAIMS fault code 2320016TDY "ADLU ARINC RX 6 FAULT" is not displayed on PMAT and do close out.
    2. If NO, continue with next step.

  3. Perform wiring checks, short to ground and pin/socket retention check between the Airborne Data-Link Unit (ADLU) connector A239AP1, and FMS 2/IAC 2 connector A10CP1. Is it satisfactory?

    1. If NO, repair or replace the defective wiring as required per WM 20-12 and do close out.
    2. If YES, continue with next step.

  4. Replace the Airborne Data-Link Unit (ADLU) (ADLU ARINC 429 Receiver #6 is faulty).
  5. Do close out.

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