The 1 GB SCSI SE disk drive might be failing.
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 |
| 968 | Any | 55F9902 | 1 GB SCSI SE disk drive Note: Check RETAIN for frame logic card availability. Replace the complete drive assembly when possible. Replace the logic card when the data on the disk must be saved. |
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| 968 | Any | 55F9909 | Single-ended frame electronics Note: Check RETAIN for frame logic card availability. Replace the complete drive assembly when possible. Replace the logic card when the data on the disk must be saved. |