The debt was a line of credit that was secured by principal residence which was abandoned.  The line of cred was not used  to improve the home.  Not sure if that matters.

Event Code G - Code G — Decision or policy to discontinue collection. Code G is used to identify cancellation of debt as a result of a decision or a defined policy of the creditor to discontinue collection activity and cancel the debt. For purposes of this identifiable event, a defined policy includes both a written policy and the creditor's established business practice.