IBM Power System 5105-22E Manual page 67

Figure 50. Removing the air baffle
3. Unplug but do not remove the front drives and front fillers if present from their slots. Pull out the drives
and fillers far enough to prevent them from interfering with the removal of the NVMe drive backplane
as shown in the following figure.
Drive backplanes for the 5105-22E, 9008-22L, 9009-22A, 9009-22G, or 9223-22H 53