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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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04/26/21

Message Overview:

Message Name:

MAIN LANDING GEAR SIDE-STAY ACTUATOR

Identifier: 321OBS001
Effectivity: AIRCRAFT 20501 - 20999
System: Landing Gear
System Description: 32-51-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

Main Gear side-stay actuator leakage.

Possible Causes:

  • Side-Stay Actuator

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Hydraulic - Components Leakage Rates AMM 29-00-00-790-801
Main Landing Gear Assembly CMM 32-10-18

Troubleshooting Recommendations:

  1. If the Side-Stay Actuator leakage rate is out of specification replace actuator.
  2. Do close out.

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