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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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03/01/21

Message Overview:

Message Name:

ROLL SPOILR OFF SW FAIL

Message Code:

B3-007885

Associated CAS:

SPOILERS FAULT
(Caution)

Reporting LRU: SPOILER ECU 1
System Description: 27-63-00
Schematic Diagram: 27-62-00
Wiring Diagram: 27-63-13

Message Description:

Spoiler Electronic Control Unit 1 (SECU 1) has detected a Roll Spoiler OFF Switch Fault.

Possible Causes:

  • Roll Spoiler OFF Switch (SDS57)
  • GND/ROLL SPOILERS Control Panel (PL21)
  • Spoiler Electronic-Control Unit (SECU 1) (A118)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW300-27-0037 - Spoiler Electronic Control Unit (SECU) - Circuit Breaker Reset Procedure (20501 - 20999)

Forum Articles/Infoservice/Newsletter: None

NOTE: During wiring checks reference BD-100 Schematic Manual 27-62-00 page 3 to aid in ring-out.

Quick Links:

Removal of the Spoiler Electronic-Control Unit (SECU) AMM 27-61-05-000-801
Installation of the Spoiler Electronic-Control Unit (SECU) AMM 27-61-05-400-801
Electronic Rigging of the Spoiler Electronic-Control Unit (SECU) AMM 27-61-05-820-801
Electronic Rigging of the Spoiler Electronic-Control Unit (SECU) AMM 27-61-05-820-802
Removal of the GND/ROLL SPOILERS Control-Panel AMM 27-63-11-000-801
Installation of the GND/ROLL SPOILERS Control-Panel AMM 27-63-11-400-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02
Electrical Connectors - Maintenance Practice - ALL SPM 20-20-00-02

Troubleshooting Recommendations:

  1. SwapSECUs.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  2. Perform wiring checks from GND/ROLL spoiler control panel (center pedestal) connector PL21J/P1 pin 14, 15, to SECU 1 connector A118AP1 pin 12D, 12G. PL21P/J1 pin 20 should have a hard ground.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  3. Replace SDS57 Roll Spoiler OFF switch/GND/ROLL SPOILERS Control Panel.
  4. Do close out.

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