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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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For AOG assistance contact:

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Quick Links

07/01/21

Message Overview:

Message Name:

CREW OXYGEN MASK DEFECTIVE

Message Code: 351OBS001
Effectivity: All
System: Crew Oxygen System
System Description: 35-10-00
Schematic Diagram: 35-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 35-12-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The Crew Oxygen Mask does not operate correctly.

Possible Causes:

  • Oxygen Mask Stowage-Box
  • Third Crew Oxygen Mask (A217)
  • Passenger Oxygen Panel (AP36)
  • Microphone

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:

Electrical/Electronic Safety Precautions AMM 24-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Oxygen System Safety Precautions AMM 35-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Crew Oxygen System AMM 35-10-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Crew Oxygen Masks AMM 35-11-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Crew Oxygen Masks AMM 35-11-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the PASSENGER OXYGEN Control-Panel AMM 35-21-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the PASSENGER OXYGEN Control-Panel AMM 35-21-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform the operational test of the crew oxygen mask.

    1. If the operational test is satisfactory, do close out.
    2. If the operational test is unsatisfactory, replace the crew oxygen mask and continue with next step.

  2. Perform the operational test of the crew oxygen system with a new mask.

    1. If the operational test is satisfactory, do close out.
    2. If the operational test is unsatisfactory, continue with next step.

  3. Replace Passenger Oxygen control-panel.
  4. Do close out.

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