A steep 46.8 percent plunge in consumer complaints about loan modifications in the first quarter from year-ago levels fueled a 29.3 percent drop in overall gripes to the Consumer Financial Protection Bureau from the same time last year, according to a new analysis by Inside the CFPB. Grievances about the loan application/mortgage origination process fell almost as much, down 26.7 percent, year over year. While mortgage-related complaints were down on a yearly basis, gripes regarding mortgages increased by 20.0 percent in the first quarter of 2014 compared with the previous quarter. Another key quarterly performance metric, grievances about servicing, trended up as well, increasing by 29.1 percent versus the period ending Dec. 31, 2013. [Includes two exclusive charts]...