03/31/21
Message Overview:
Message Name:
ALT BARO BUTTON STUCK
Message Code:
B3-510334
Associated CAS:
| Reporting LRU: | L ALT BARO BTN |
| System Description: | 34-13-00 |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Message Description:
ALT BARO button is reported stuck by the DCP. Likely problem is a button stuck or a wiring or discrete input problem. AFDs reports this failure condition on Label 350 bit 26.
Possible Causes:
- Pilot's Compass Control Panel (PL23)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- Message# = 1
- {Term Definitions}
- MFD1-15 1X 350 NA EXCT XXXX-XXTX XXXX-XXXX XXXX-XXXX 350:26;ALT BARO BTN STUCK
- PFD1-17 1X 350 NA EXCT XXXX-XXTX XXXX-XXXX XXXX-XXXX 350:26;ALT BARO BTN STUCK
Quick Links:
| Removal of the Display Control Panel | AMM 31-61-05-000-801 |
| Installation of the Display Control Panel | AMM 31-61-05-400-801 |
| Standard Practices - Replace Wiring | SPM 20-12-00-02 |
| Standard Practices - Wire Repair | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- Likely problem is a button stuck or a wiring or discrete input problem. AFDs reports this failure condition on Label 350 bit 26.