After some issues and a Repair Restore, I get the following 2 sections of flakey SFC /scannow CBS.log output:
Verifying 100 (0x0000000000000064) components
2013-01-07 13:48:12, Info CSI 000005d4 [SR] Beginning Verify and Repair transaction
2013-01-07 13:48:12, Info...