Banks reported a significant decline in the volume of mortgage repurchases and indemnifications they recorded during the first quarter of 2011, but buybacks clearly continue to weigh on mortgage banking profitability. According to a new call report analysis by Inside Mortgage Trends, banks reported a total of $3.83 billion in mortgage repurchases and indemnifications during the first quarter. That was down 19.2 percent from the previous three-month period.The buyback problem has clearly improved since the nine months between the... [includes one data chart and one graph]