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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

09/07/19

Message Overview:

Fault Message:

[BMC1] TRIM AIR DUCTS LEAK

Fault Code:

3615517BMC

Associated CAS:

TRIM AIR LEAK
(Caution)

Reporting LRU: Bleed Management Controller (BMC) 1
System Description: 36-12-00
Schematic Diagram: 36-12-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 36-12-03 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

A leak has been detected by Bleed Management Controller (BMC) 1 TRIM AIR Loops AND have been simultaneously detected by BMC 2 TRIM AIR Loops. Inhibited during Take-Off and Landing.

Possible Causes:

  • Trim Air Duct
  • Bleed Air Leak Detection System

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-36-0826 - Kidde Bleed Leak Detection Loops Notice of Escape

Forum Articles/Infoservice/Newsletter: None

NOTE: 

  • Refer to AIPC 36-12-04 for Trim Air Leak Detection Loops.

Quick Links:

Leak Test of the Bleed Air System AMM 36-11-00-790-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Bleed Leak-Detection-Loops and Components Maintenance Practices AMM 36-12-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Trim Air Leak Detection Loop AIPC 36-12-04 [ Global Express ] - [ G5000 ] - [ Global XRS ]

Troubleshooting Recommendations:

  1. Make sure the Leak Detection Elements are installed as per Bleed Air Leak Detection System-Maintenance Practices.

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

  2. Perform TRIM AIR DUCTS leak check.
  3. Do close out.

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