It's not impossible (I'm not sure why it's even allowed to tell you the truth) but you will get cited for it in an exam.
From the FFIEC IT Exam Book
"LSA duties are inconsistent with any role in the daily operations of the Fedline application. To ensure ability to restrcit and monitor Fedline activity, any staff member assigned access to the LA application...should not have access to either the FT or HC applications. Even with this restriction in place, an unauthorized funds transfer message could be create and transmitted if personnel...have unmonitored access..."
The exam procedures call for obtaining a user report and verifying that those with LA application access are not assigned FT access. I would suggest your audit procedures do as well.
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With the lights out, it's less dangerous.