The failing component is one of the system processors.
For each unit, starting with the primary unit and then the secondary units, use the following table to determine the part number for the field replaceable unit (FRU):
| CCIN or FFC | Type and model | Part number | Description | Location code |
| 8203-E4A, 9407-M15, 9408-M25 | 42R7898 | System backplane | Un-P1-Cx | |
| 53E1 | 8204-E8A, 9409-M50 | 10N9377 | GHz 4.2 GHz POWER6, 2 Core Processor Card (FC4966) | Un-P1-Cx |
| 53E2 | 8204-E8A, 9409-M50 | 10N9380 | GHz 4.7 GHz POWER6, 2 Core Processor Card (FC4967) | Un-P1-Cx |
| 9406-MMA, 9117-MMA | 10N9146 | 3.5 GHz POWER6, 2 core processor book | Un-P2-Cx | |
| 9406-MMA, 9117-MMA | 10N9144 | 4.2 GHz POWER6, 2 core processor book | Un-P2-Cx | |
| 9406-MMA, 9117-MMA | 10N9139 | 4.7 GHz POWER6, 2 core processor book | Un-P2-Cx |