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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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06/22/21

Message Overview:

Message Name:

UNSATISFACTORY FRESH AIRFLOW INTO THE FLIGHT AND PASSENGER COMPARTMENTS

Message Code: 215OBS020
Effectivity: All
System: Air Conditioning System
Associated CAS: None
System Description: 21-52-00
Schematic Diagram: 21-52-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 21-52-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The possible cause is high air leakage related to the mix manifold.

Possible Causes:

  • Mix Manifold
  • Mix Manifold Connections

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Notice To Operators (NTO): None

Flight Operation Notifications Manual (FONM): None

Quick Links:

Leak Test of the Internal Distribution System AMM 21-21-00-790-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Do the leak test of the internal distribution system. With leak detector bleed-air, do a check for leakage at the mix manifold and related connections.
  2. Repair connections that have leakage.
  3. Remove and replace the defective components.
  4. Do close out.

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