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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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03/04/20

Message Overview:

L COWL A/ICE FAIL
(Caution)

DDG Reference: None
Pilot Action (QRH): ABNORM 11-4
System Description: 30-21-00
Schematic Diagram: 30-21-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 36-11-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Left Cowl Anti-Ice Valve has failed.

Possible Causes:

  • Left Cowl Anti-Icing Valve (CAIV)
  • Bleed Management Controller (BMC) (A69)

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-36-0365 - Bleed Monitoring Controller - Data Gathering to Reduce No Fault Found (NFF) rate

Forum Articles/Infoservice/Newsletter: None

BMC NFF Action:
To support the technical investigation, FSRs and Service Centers are requested to perform an NVM download and complete a condition report and (BMC) PN GG546-1017-XX questionnaire when troubleshooting or removing a Bleed Management Controller (BMC) PN GG546-1017-XX.
NOTE: To avoid the display of any Bleed related CAS nuisance message after replacement of BMC due to internal failure, follow AW700-36-0365 instructions.

  • Proceed to a QAR (if available) download of the last three flights (Aircraft meeting FAR part 135.172), SB 700-31-020
  • BMC NVM download
  • IAC CAS messages download

The cowl anti-icing valve has a failure in the open position while the engine operates.

Quick Links:

Removal of Bleed Management Controller (BMC) AMM 36-11-33-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of Bleed Management Controller (BMC) AMM 36-11-33-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of Cowl Anti-Icing Valve AMM 30-21-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of Cowl Anti-Icing Valve AMM 30-21-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Stored Faults AMM 45-45-00-970-803 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Using the PMAT, access Active or Stored Faults. Select displayed message from menu below:
  2. If it is impossible to interrogate CAIMS, perform the troubleshooting contained in SmartFix Plus (SFP) task 3615315BMC.
  3. Do close out.

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