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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:

RINGSST REASONABLENESS

Message Code:

B3-007524

Associated CAS:

None

Reporting LRU: RINGSST SNSR
System Description: 32-60-00
Schematic Diagram: 32-61-00
Wiring Diagram: 27-61-09
32-61-12

Message Description:

PSEU detects an unreasonableness (related to rigging) condition seen by the sensor PX44, Right Inboard Ground Spoiler Stowed; target condition (NEAR or FAR) is opposite of what it should be. Sensor is healthy but requires verification and rigging.

Possible Causes:

  • Proximity Sensor (RH) (PX44)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Spoiler Proximity Sensor AMM 27-61-09-000-801
Installation of the Spoiler Proximity Sensor AMM 27-61-09-400-801
Operational Test of the Ground Spoiler Proximity Sensors AMM 27-61-09-710-801
Adjustment of the Ground Spoiler Proximity Sensors AMM 27-61-09-820-802
Removal of the Proximity-Sensor Electronic Unit (PSEU) AMM 32-61-09-000-801
Installation of the Proximity-Sensor Electronic Unit (PSEU) AMM 32-61-09-400-801
Functional Test of the Proximity-Sensor Electronic Unit (PSEU) AMM 32-61-09-720-801
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. Do the rigging with the adjustment of the sensor PX44.

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

  2. Replace PX44.

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

  3. Reset the PSEU circuit breakers CB1-C13, CB1-C14, CB2-C13, CB2-C14.
  4. Do close out.

proximity_sensor1pseu_sensor60_lh_cbpnl60_rh_cbpnl

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