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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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05/06/21

Message Overview:

Message Name:

PDRHLK REASONABLENESS

Message Code:

B3-007476

Associated CAS:

PASSENGER DOOR
(Caution)

PROX SYS FAULT
(Advisory)

PASSENGER DOOR
(Status)

Reporting LRU: PDRHLK SNSR
System Description: 32-60-00
Schematic Diagram: 32-61-00
Wiring Diagram: 52-71-01

Message Description:

Proximity-Sensor Electronic Unit (PSEU) detects an unreasonable (related to rigging) condition to the Proximity Sensor PX18 Passenger Door Handle Locked; target condition (NEAR or FAR) is opposite of what it should be. Sensor is healthy but requires proper rigging.

Possible Causes:

  • Pass Door Handle Locked Proximity Sensor (PX18)
  • 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 Passenger-Door-Handle Locked Proximity-Sensor AMM 52-71-01-000-803
Installation of the Passenger-Door-Handle Locked Proximity-Sensor AMM 52-71-01-400-803
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.

pseu_locationproximity_sensor2

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