It looks like normal powersave to operation transitions.
Sense 2/04/02 means: LOGICAL UNIT NEEDS INITIALIZE COMMAND (START UNIT). You see for physical disk 0c that the disk has transitioned from powersave immediately after the 2/04/02 message for that drive (need initialize command (start unit)). Do you see transitioned from powersave messages for the other PDs later?
See the white paper for Intel® RAID Controllers: SAS Software Stack Decoding Unexpected Alert Codes for more information.