02/24/21
Message Overview:
Message Description:
Prerequisite.
Possible Causes:
- Cockpit Voice Recorder (CVR) (A129)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- Message# = 0
- Fault Logged = AIR, TAXI, GND
- Status = PREREQUISITE
- {Term Definitions}
- OPT1-90 XX 360 NA EXCT CSU WD-14 XXXX-XXXX XXXT-XXXX CSU_14: 5; CVR
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 |
| Removal of the Cockpit Circuit-Breaker Panel (CCBP) | AMM 24-65-01-000-801 |
| Installation of the Cockpit Circuit-Breaker Panel (CCBP) | AMM 24-65-01-400-801 |
| Wiring - Maintenance Practices - ALL | SPM 20-12-00-02 |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- None