The problem is a 73.4 GB 10 000 rpm, 68-pin Ultra LVD SCSI disk drive.
The FRU part number is 09P4882 07N3172, 00P3069, 80P3153, or 80P3397.
Note: The FRU part numbers are interchangeable. Order the FRU part number that matches the FRU part number you are replacing.