Repayments of bonds would be shown as a cash outflow in the investing section of the statement of cash flows.

Investing Section

A part of the cash flow statement that reports the purchase and sale of long-term investments and property, plant, and equipment.

Repayments of Bonds

This concerns the act of returning borrowed funds to bond investors at the agreed-upon maturity date, usually including both principal and interest payments.

Statement of Cash Flows

A financial report that shows the cash inflows and outflows for a company over a specific period, indicating how it sources and uses cash.