Message Name:

NO R-GP-1 BUS INPUT

Message Code:

B3-006424

Associated CAS:

None

CDU1 is reporting R-GP-1 bus inactive, while at least 2 of the following are reporting R-GP-1 active; CDU2, ADC2, RIU2.

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

1. LRU = CDU1 CDU 1
2. ATA Chapter = 34-61
3. Message# = 14
4. Comp Id = A068
5. {Term Definitions}

   1. CDU1-4 1X 350 01 EXCT XXXX-XXXX XXXX-XXXX XXXT-XXXX 350: 13;NO R-GP-1 IN
   2. CDU2-4 2X 350 10 EXCT XXXX-XXXX XXXX-XXXX XXXT-XXXX 350: 13;NO R-GP-1 BUS INPUT
   3. RIU2-26 2X 351 10 EXCT XXXX-XXXX XXXX-TXXX XXXX-XXXX 351: 20;R-GPBUS INACTIVE
   4. ADC2-4 2X 350 10 EXCT XXXX-XXXX XXXX-XXXX XTXX-XXXX 350: 15;NO R-GP-1 IN

1. Suspect wiring or the CDU.
2. Do close out.