Custom field file uploads delted on status change?

We have a custom field set up as a file upload. On status change, the
attachment gets deleted:

Mon Aug 08 12:07:43 2011 Amy Widmer - #11030-Approved Estimate.pdf added

Mon Aug 08 12:08:38 2011 Amy Widmer - Status changed from ‘new’ to ‘open’

Mon Aug 08 12:08:38 2011 Amy Widmer - #11030-Approved Estimate.pdf deleted

3.8.10. I have no idea why this is happening…

Where in the UI do you change status?

Regards, Ruslan. From phone.

We have a custom field set up as a file upload. On status change, the
attachment gets deleted:

Mon Aug 08 12:07:43 2011 Amy Widmer - #11030-Approved Estimate.pdf added

Mon Aug 08 12:08:38 2011 Amy Widmer - Status changed from ‘new’ to

‘open’

Mon Aug 08 12:08:38 2011 Amy Widmer - #11030-Approved Estimate.pdf

deleted