12.3.1 version of IOS does support both the NM and your WIC. Have you checked if you have inserted the wic properly ? Also try swapping it into the second slot on the NM. There could also be a possibility that the WIC is bad. Hopefully you did not insert the wic when the power was on. WICs are not hot swappable.
Decoding the last 2 syslog messages, indicate the following at the Cisco's website.
"Power down, reinsert the port module, and reboot. If this message recurs, copy the error message exactly as it appears on the console or in the system log, contact your Cisco technical support representative, and provide the representative with the gathered information".
Since this has already been done, there could be possibility that the wic is bad.
To decode a show diag output, can you paste a full output of show diag.
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