Since as you stated the drive files were got damaged that's why being corrupted the Outlook pst file is not able to be located by you.
Outlook 2007 pst repair is possible to be done by means of using inbox repair tool that comes with Outlook 2007 application and is introduced to fix the problem associated with Outlook program whether it is pst file corruption or damage issues. But as the tool is provided limited recovery feature so in case if the pst file is harshly corrupted or is got oversized then you will be required using Outlook pst repair software to get the entire pst file data recovered safely.