There is no difference between file before and file after sending. So, I suppose the information about it is in COMSTATE.TO2 in root folder on the card
I send successful files 1SKL1680.JPG 1SKL1681.JPG 1SKL1684.JPG 1SKL1688.JPG and with error 1SKL1692.JPG
from EOS_DIGITAL/DCIM/100EOS1D/
commstate file is in attach
[attachment deleted by admin]