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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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06/13/22

Message Overview:

Message Name:

SHKR PWR/PDLK PWR/WRG/SPC CH A

Message Code:

2730107STL

Associated CAS:

STALL PROTECT FAIL
(CAUTION)

Reporting LRU: Stall Protection Computer (SPC)
System Description: 27-32-00
Schematic Diagram: 27-32-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-32-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Channel A of the Stall Protection Computer (SPC) senses an internal error in the discrete output for the Pusher, Shaker No. 1, Pitch Disconnect Lock, or Stall Protection System (SPS) Fail signal. The error can be found during continuous Built-In Test (BIT) or Pilot Activated Test (PAT). For Shaker and Pitch Disconnect Lock, no electrical power during output activation can be incorrectly sensed as a fault condition.

Possible Causes:

  • Stick Shaker 1
  • Pusher Lock Channel A
  • Pitch Disconnect Lock Solenoid (L50)
  • Stall Protection Computer (SPC) (A40)
  • Stall Protection Computer (SPC) Channel A
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Stall Protection Computer AMM 27-32-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Stall Protection Computer AMM 27-32-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform wiring checks between SPDA (A13P1) 1 and SPC (A40AP1).

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  2. Disconnect the Pitch Disconnect Lock Solenoid (L50) and perform a wiring check between the SPC (A40AP1) and the Pitch Disconnect Lock Solenoid (L50P1).

    1. If wiring defects are found, repair defective wiring as required and do close out.
    2. If no wiring defects are found, continue with next step.

  3. Replace the Pitch Disconnect Lock Solenoid. Is the fault still present?

    1. If YES, continue with next step.
    2. If NO, do close out.

  4. Replace Stall Protection Computer (SPC).
  5. Do close out.

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