WASHINGTON, March 29 (Reuters) - The U.S. Treasury's bank bailout program will move into a profit for the first time on Wednesday with the expected repayment of $7.4 billion in taxpayer funds, Treasury officials said. The transfers to the Troubled Asset Relief Program will push recoveries from banks to $251 billion in repayments of capital, dividends, interest and other income. It invested $245 billion in banks during the financial crisis to help avert a U.S. financial system collapse. The officials did not identify the banks expected to repay funds. But SunTrust Banks Inc and Key Corp said on March 18...