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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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04/09/21

Message Overview:

Message Name:

AEBDRCL REASONABLENESS

Message Code:

B3-007536

Associated CAS:

AFT EQPT BAY DOOR
(Caution)

Reporting LRU: AEBDRCL SNSR
System Description: 32-60-00
Schematic Diagram: 32-61-00
Wiring Diagram: 52-71-05

Message Description:

Proximity Sensor Electronic Unit (PSEU) detects an unreasonable (related to rigging) condition to the Proximity Sensor PX47, Aft Equipment Bay Door Closed; target condition (NEAR or FAR) is opposite of what it should be. Sensor is healthy, but requires proper rigging.

Possible Causes:

  • AFT Equipment Bay Door Closed Proximity Sensor (PX47)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Functional Test of the Proximity-Sensor Electronic Unit (PSEU) AMM 32-61-09-720-801
Built-In Test of the Door Proximity-Sensors AMM 52-71-00-740-801
Removal of the Baggage-Door Locked Proximity-Sensor AMM 52-71-05-000-802
Installation of the Baggage-Door Locked Proximity-Sensor AMM 52-71-05-400-802
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Do the rigging with the adjustment of the sensor.

    1. If the rigging is good, do close out.
    2. If fault remains, continue with next step.

  2. Replace the sensor.
  3. Do close out.

proximity_sensorproximity_sensor4

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