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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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Quick Links

09/12/19

Message Overview:

Fault Message:

R WAIV/L INBOARD WAIT SENSOR/WRG

Fault Code:

3616420BMC

Associated CAS:

R BLEED SYS FAIL
(Caution)

Reporting LRU: Bleed Management Controller (BMC) 2
System Description: 30-11-00
Schematic Diagram: 30-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 30-11-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The Right Inboard Wing Anti-Ice Temperature Sensor (WAITS) has detected a temperature > 135 °C. Inhibited during Take-Off and Landing.

Possible Causes:

  • Right Wing Anti-Icing Modulating and Shutoff Valve (MT126)
  • Right Inboard Anti-Icing Temperature Sensor (E41)
  • Right Outboard Anti-Icing Temperature Sensor (E40)
  • Bleed Management Controller (BMC) 2 (A70)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Anti-Icing Modulating-and-Shutoff Valves AMM 30-11-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Anti-Icing Modulating-and-Shutoff Valves AMM 30-11-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Anti-Icing Temperature Sensors AMM 30-11-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Anti-Icing Temperature Sensors AMM 30-11-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Bleed Management Controller AMM 36-11-33-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Bleed Management Controller AMM 36-11-33-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Swap Right WAIV with Left WAIV.

    1. If system checks are good, replace right WAIV and do close out.
    2. If fault remains, continue with next step.

  2. Measure the right inboard WAITS resistance. Make sure the sensor is within limits as shown in the table and graph below:

    Temperature (°C) Sensor Resistance (Ohms)
    -60 381.64
    -50 401.505
    -40 421.317
    -30 441.074
    -20 460.774
    -10 480.417
    500
    10 519.517
    20 538.974
    30 558.372
    40 577.71
    50 596.988
    60 616.208
    70 635.369
    80 654.471
    90 673.515
    100 692.5
    110 711.427
    120 730.296
    130 749.107
    140 767.861
    150 786.557
    160 805.195
    170 823.776
    180 842.299
    190 860.765
    200 879.174
    210 897.526
    220 915.821
    230 934.059
    240 952.239
    250 970.363
    260 988.43

    1. If the right inboard WAITS resistance values are same as mentioned above, do close out.
    2. If right inboard WAITS resistance are not as mentioned above, continue with next step.

  3. Perform wiring checks between BMC 2 and right inboard WAITS.

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  4. Replace BMC 2.
  5. Do close out.

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