If there is in his alliance somebody better than him (Leader) (for example have higher lvl., more medals etc.) he (Leader) could be No. 2 or 3 in this alliance war list.
They will send something like this:
"Thank you very much for contacting us regarding the discrepancy between your defense log and replay result. I know that this issue can be frustrating and I hope to shed some light on the matter.
Please be informed that Defense/Attack replays and battle logs...