Well over half of the mortgage repurchase activity reported by Fannie Mae and Freddie Mac during the first quarter of 2012 was still pending or being disputed by lenders, according to a new Inside Mortgage Trends analysis of disclosures made by the two government-sponsored enterprises. Mortgage lenders repurchased a total of $2.37 billion of loans because of representation and warranty problems during the first three months of the year, the GSE disclosures indicate. The repurchase amount represents the principal balance of the loans resolved through a repurchase, although...(Includes two data charts)