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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:

CRC Montreal (YUL)
Quick Links

10/31/24

Message Overview:

Message Name:

LAVATORY OR GALLEY WATER SYSTEM 'ACTIVE' LED IS GREEN

Identifier: 381OBS002
Effectivity: Aircraft 20501 - 20999
System: Waste and Water
Associated CAS: None
Reporting LRU: Water Module
System Description: SMM 38-10-00
Schematic Diagram: None
Wiring Diagram: SWM 38-10-00

Message Description:

The lavatory or galley water system 'ACTIVE' LED is green.

Possible Causes:

  • None (Normal Operation)

Required Conditions:

  • Aircraft power ON
  • Cabin Management System ON

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

NOTES:

Quick Links:

Functional Test of the Potable Water System SMM TASK 38-10-00-720-801

Troubleshooting Recommendations:

  1. The water system is working normal with an 'ACTIVE' green LED illuminated.
    NOTE: The water pump will continue to run in IDLE mode when the water system is not being used, this helps keep the water pressurized at 35 PSI.
  2. No action needed, do close out.

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