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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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06/25/19

Message Overview:

Fault Message:

PITCH DISCNNCT LOCK/WRG/SPC CH A

Fault Code:

2730207STL

Associated CAS:

PITCH DISC FAULT
(Advisory)

Reporting LRU: Stall Protection Computer (SPC)
System Description: 27-32-00
Schematic Diagram: 27-32-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 27-31-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Stall Protection Computer (SPC) Channel A or Channel B shows that the pitch disconnect lock does not lock when commanded to lock by the SPC or stays locked when commanded to unlock by the SPC.

Possible Causes:

  • Pitch Disconnect Lock Solenoid (L50)
  • Secondary Power Distribution Assembly (SPDA) 1 (A13)
  • Stall Protection Computer (SPC) (A40)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-27-0363 - No Fault Found initiative: Stall Protection Computer

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Secondary-Power Distribution Assemblies AMM 24-62-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Secondary-Power Distribution Assemblies AMM 24-62-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Lock Solenoid AMM 27-31-09-000-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Lock Solenoid AMM 27-31-09-400-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
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 Stall Protection Computer and lock solenoid and Control panel.

    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. Swap SPDA 1 with SPDA 3. Is the fault still present?

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

  3. Replace the lock solenoid. Is the fault still present?

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

  4. Replace the SPC.
  5. Do close out.

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