UAL Corporation (NDAQ: UAUA) received a letter from Teamsters on Tuesday demanding that it overhaul its executive compensation practices. The United Airlines parent company union members joined with shareholders on the demands and threatened to withhold votes from directors serving on the subcommittee that set UAL's high executive pay.

The dissidents complain that just after a three-year bankruptcy, UAL rewarded its CEO with $39.7 million in compensation - a number that many saw as far too high. This is especially true given the fact that many employees were foced to take on the company's pension obligations and thousands of workers have lost their jobs or suffered cuts in their compensation, pensions, or benefits. However, others argue that such pay is necessary in order to retain a good CEO for such a risky company. We'll see what happens now...