It depends on the nature of the accident - as we all know some are more cut 'n dry than others. Expect at least a year or so for the final report to come out though. I don't know if you can fight them; suppose it's possible but would probably require attorneys, paperwork, and LOTS of time. Remember, this is the federal govt. we're talking about, nothing is simple. Can you disclose nature of your "incident"? Good Luck