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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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For AOG assistance contact:

CRC Montreal (YUL)
Quick Links

02/24/21

Message Overview:

Message Name:

CVR INTERNAL FAILURE

EMessage Code:

B3-532257

Associated CAS:

None

Reporting LRU: CKPIT VOICE REC
System Description: 23-71-00
Schematic Diagram: 23-71-00
Wiring Diagram: 23-71-01

Message Description:

CVR is reporting an internal failure.

Possible Causes:

  • Cockpit Voice Recorder (CVR) (A129)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 2
  2. Fault Logged = AIR, TAXI
  3. Status = FAILED/WIRING
  4. {Term Definitions}

    1. CVR1-11 XX 350 00 OR'D XXXX-XXXX XXXX-XXXX TXXX-XTXX 350: 16+11; INTERNAL FAULT

Quick Links:

Operational Test of the Cockpit Voice Recorder System AMM 23-71-00-710-801
Functional Test of the Cockpit Voice Recorder (CVR) AMM 23-71-00-720-801
Removal of the Cockpit Voice Recorder (CVR) AMM 23-71-01-000-801
Installation of the Cockpit Voice Recorder (CVR) AMM 23-71-01-400-801
Removal of the Cockpit Voice Recorder (CVR) Control Panel AMM 23-71-09-000-801
Installation of the Cockpit Voice Recorder (CVR) Control Panel AMM 23-71-09-400-801
Reset of the Cockpit-Voice-Recorder (CVR) Impact Switch AMM 23-71-17-440-801
Removal of the Cockpit Voice Recorder (CVR) Impact Switch AMM 23-71-17-000-801
Installation of the Cockpit Voice Recorder (CVR) Impact Switch AMM 23-71-17-400-801
Removal of the Recorder Independent Power Supply (RIPS) AMM 23-71-25-000-801
Installation of the Recorder Independent Power Supply (RIPS) AMM 23-71-25-400-801
Functional Test of the Recorder Independent Power Supply (RIPS) AMM 23-71-25-720-801
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Replace CVR.

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