03/19/21
Message Overview:
Message Description:
RB-RIU-6 data absent at R-CDU and not absent at 2-of (R-PFD, R-MFD, B-DCU).
Possible Causes:
- Right Control Display Unit (CDU) (A69)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Fault Confirmation Procedure:
- LRU = CDU2 CDU 2
- ATA Chapter = 34-61
- Message# = 14
- Comp Id = A069
- {Term Definitions}
- CDU2-6 2X 350 10 EXCT XXXX-XXXX XXXX-XXXX XTXX-XXXX 350: 15;NO RB-RIU-6 I
- PFD2-36 2X 351 NA EXCT XXXX-TXXX XXXX-XXXX XXXX-XXXX 351: 28;NO RB-RIU-6 INPUT
- MFD2-37 2X 351 NA EXCT XXXX-TXXX XXXX-XXXX XXXX-XXXX 351: 28;NO RB-RIU-6 INPUT
- DCU2-29 2X 357 10 EXCT XXXX-XXXT XXXX-XXXX XXXX-XXXX 357: 25;RB-RIU-6 BUS INOP
Quick Links:
| Removal of the Control Display Unit (CDU) | AMM 34-61-05-000-801 |
| Installation of the Control Display Unit (CDU) | AMM 34-61-05-400-801 |
| Standard Practices - Replace Wiring | SPM 20-12-00-02 |
| Standard Practices - Wire Repair | SPM 20-12-10-02 |
Troubleshooting Recommendations:
- Suspect failed R-CDU input or wiring.