How to find if a user has a module open in read-only?

Does anyone knows how to check if a user has a module open in read-only ? I don't recall any instruction.
SystemAdmin - Fri Jan 20 14:11:08 EST 2012

Re: How to find if a user has a module open in read-only?
rain_bow - Sat Jan 21 08:51:51 EST 2012

From a different DOORS client this is not feasible.