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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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03/29/21

Message Overview:


Message Name:

NO OUTPUT

Message Code:

B3-008118

Associated CAS:

None

Reporting LRU: WX RADAR CH A/B
System Description: 30-00-00
Schematic Diagram: None
Wiring Diagram: None



Message Description:

WXRA bus data not received at L-IOC and R-IOC and 2-of (L-PFD, L-MFD, R-PFD, R-MFD).

Possible Causes:

  • Weather Radar Receiver/Transmitter and Antenna (A3)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 2
  2. {Term Definitions}

    1. WXRA-1 1X 354 01 ABSN XXXX-XXXX XXXX-XXXX XXXX-XXXX 354A: (A) NO IOC 1X IN
    2. WXRA-9 2X 354 10 ABSN XXXX-XXXX XXXX-XXXX XXXX-XXXX 354B: (A) NO IOC 2X IN
    3. PFD1-12 1X 350 NA EXCT XXXX-XXXX XXXT-XXXX XXXX-XXXX 350: 21;NO WXT-1 INPUT
    4. MFD1-10 1X 350 NA EXCT XXXX-XXXX XXXT-XXXX XXXX-XXXX 350: 21;NO WXT-1 INPUT
    5. PFD2-12 2X 350 NA EXCT XXXX-XXXX XXXT-XXXX XXXX-XXXX 350: 21;NO WXT-1 INPUT
    6. MFD2-12 2X 350 NA EXCT XXXX-XXXX XXXT-XXXX XXXX-XXXX 350: 21;NO WXT-1 INPUT

Quick Links:

Removal of the Weather Radar Receiver/Transmitter and Antenna AMM 34-41-01-000-801
Installation of the Weather Radar Receiver/Transmitter and Antenna AMM 34-41-01-400-801
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Repair Wiring SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Suspect failed WXRA output or wiring.

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