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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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06/29/21

Message Overview:

Message Name:

AILERON CONTROL JAMMED

Message Code: 271OBS001
Effectivity: All
System: Aileron
System Description: 27-10-00
Schematic Diagram: 27-10-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-10-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Pilot/Copilot Control Wheel is binding or jammed, and/or roll disconnect occurs.

Possible Causes:

  • Aileron Power Control Unit (PCU)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Electrical/Electronic Safety Precautions AMM 24-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Flight Control Safety Precautions AMM 27-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Detailed Inspection of the Aileron, Elevator and Rudder Control
Cables in the Forward Avionics Compartment - (FS202.75 to FS280.00)		 AMM 27-00-00-220-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Detailed Inspection of the Aileron, Elevator and Rudder Control
Cables in the Main Avionics Compartment FS280.00 to FS557.00		 AMM 27-00-00-220-803 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Detailed Inspection of the Aileron, Elevator and Rudder Control Cables in
the Mid-Lower Fuselage Compartment - (FS557.00 to FS781.00)		 AMM 27-00-00-220-804 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Aileron Control System AMM 27-11-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Functional Test of the Aileron Control System AMM 27-11-00-720-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Roll Disconnect Mechanism AMM 27-11-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Roll Disconnect Mechanism AMM 27-11-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Check if the aileron control system is disconnected, and there is a jammed side.

    1. If the aileron control system is serviceable, do close out.
    2. If the aileron control system is not serviceable, continue with next step.

  2. Perform the detailed inspection of the following flight control cables in:

    • the flight compartment (FS202.75 to FS280.00)
    • the forward avionics compartment (FS202.75 to FS280.00)
    • the main avionics compartment (FS280.00 to FS557.00)
    • the mid-lower fuselage compartment (FS557.00 to FS781.00)
    • the main landing gear (MLG) wheel well (FS719.30 to FS781.00)
    • the wing trailing edge (main landing gear (MLG) wheel well to WS536.00)
    • the outboard wing box (WS287.00 to WS536.50)

      1. If damage or defect is found, rectify or repair as required and do close out.
      2. If no damage or defect is found, continue with next step.

  3. Check if both aileron control wheel operations are satisfactory while disconnected.

    1. If YES, replace the roll disconnect mechanism.
    2. If NO, do close out.

  4. Check if the aileron control system is not disconnected.

    1. If the aileron control system is serviceable, do close out.
    2. If the aileron control system is not serviceable, continue with next step.

  5. Perform the detailed inspection of the following flight control cables in:

    • the flight compartment (FS202.75 to FS280.00)
    • the forward avionics compartment (FS202.75 to FS280.00)
    • the main avionics compartment (FS280.00 to FS557.00)
    • the mid-lower fuselage compartment (FS557.00 to FS781.00)
    • the main landing gear (MLG) wheel well (FS719.30 to FS781.00)
    • the wing trailing edge (main landing gear (MLG) wheel well to WS536.00)
    • the outboard wing box (WS287.00 to WS536.50)

      1. If damage or defect is found, rectify or repair as required and do close out.
      2. If no damage or defect is found, continue with next step.

  6. Do close out.

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