07/05/19
Message Overview:
Fault Message:
FCU #2/ INTERNAL BUS FAULT [FCMA]
Fault Code:
27657162SX
Associated CAS:
| Reporting LRU: | Flight Control Unit (FCU) 2 |
| System Description: | 27-60-00 |
| Schematic Diagram: | 27-60-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 27-60-06 [ Global Express ] [ G5000 ] [ Global XRS ] |
Fault Description:
Internal failure causing loss of redundancy data but depends on bus affected. May cause Flight Control Unit (FCU) 2 Channel A invalid.
Possible Causes:
- Flight-Control Unit (FCU) 2 (A66)
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
No immediate effect on FCU operation.
Quick Links:
| Removal of the Flight-Control Units | AMM 27-61-05-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Flight-Control Units | AMM 27-61-05-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to System Diagnostics | AMM 45-45-00-970-804 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
NOTE: You have another CAIMS fault related to FCU, perform this troubleshooting first.
- Access the system diagnostic and run "FCU INTERFACE TEST" from LRU test menu.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Replace FCU 2 and confirm that they are installed properly and securely.
- Do close out.