Message Name:

NO L-GP-1 BUS INPUT

Message Code:

B3-006423

Associated CAS:

None

CDU1 is reporting L-GP-1 bus inactive, while at least 2 of the following are reporting L-GP-1 active; CDU2, ADC1, RIU1.

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

1. LRU = CDU1 CDU 1
2. ATA Chapter = 34-61
3. Comp Id = A068
4. Message = NO L-GP-1 BUS INPUT
5. {Term Definitions}

   1. CDU1-5 1X 350 01 EXCT XXXX-XXXX XXXX-XXXX XXTX-XXXX 350: 14;NO L-GP-1 IN
   2. CDU2-5 2X 350 10 EXCT XXXX-XXXX XXXX-XXXX XXTX-XXXX 350: 14;NO L-GP-1 BUS INPUT
   3. RIU1-26 1X 351 01 EXCT XXXX-XXXX XXXX-TXXX XXXX-XXXX 351: 20;NO L-GP-1 INPU
   4. ADC1-4 1X 350 01 EXCT XXXX-XXXX XXXX-XXXX XTXX-XXXX 350: 15;NO L-GP-1 IN

1. Suspect wiring or the CDU.