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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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07/08/19

Message Overview:

L PACK FAULT
(Advisory)

DDG Reference: 21-52
Pilot Action (QRH): ADVISORY 2-2
System Description: 21-52-00
Schematic Diagram: 21-52-00  [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 21-52-01  [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

There is a problem with the left pack.

Possible Causes:

  • Left Air Conditioning System Controller (ACSC) 1
  • Duct Temperature Sensor
  • Left Anti-Ice Pressure-Sensor
  • Left Compressor Discharge Temperature-Sensor
  • Left Flow Control Valve
  • Left Mix Manifold Temperature-Sensor
  • Left Pack Temperature-Sensor
  • Left Pack Discharge Temperature-Sensor
  • Left Pack Inlet Flow-Sensor
  • Left Pack Inlet Pressure-Sensor
  • Left Pack Inlet Temperature-Sensor
  • Left Pressure Sensor Power-Supply
  • Left Temperature Control Valve
  • Left Bleed Management Controller
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter:

Quick Links:

Anti-Icing Pressure Sensors - Removal AMM 21-52-41-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Anti-Icing Pressure Sensors - Installation AMM 21-52-41-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Pack Discharge Temperature-Sensors - Removal AMM 21-52-37-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Pack Discharge Temperature-Sensors - Installation AMM 21-52-37-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of Air Conditioning System Controllers AMM 21-60-21-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of Air Conditioning System Controllers AMM 21-60-21-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
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 ]
Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Stored Faults AMM 45-45-00-970-803 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Select related CAIMS message below:

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