Problem - YES! The AAN form is for adverse action.
The bank did not decide, the customer did. The bank does not need to tell the customer what they said. To document, put a simple memo in file with the date, and basic information.
example - 2/12/13 John called me today and withdrew his application. He's borrowing the money from his parents.
_________________________
Integrity. With it, nothing else matters. Without it, nothing else matters.