On this forum, and a few others there have been owners experiencing brake failures with their Forest River towables. The chassis are built by Lippert, and the reported problem has been grease leaking out of the hubs and coating the drums and brakes.
After several reports on other forums, a report was made to the National Highway Traffic Safety Administration (NHTSA).
While Lippert has been providing new brake assemblies in most instances, the failures are still unexplained. The Feds have finally gotten involved, and are looking seriously at the issue. If you have now, or in the past, have experienced this problem with ANY FR towable, I encourage you to contact the representative on the case, Tom Bowman.
Attached below it the text from my post in another forum that pretty well explains the issue and Toms investigation.
Hey peeps, just got off the phone with Tom Bowman, NHSTA regarding the brake problems on the Columbus. My experience was a little different than most because I had my brakes completely replaced only to have another failure within 200 miles.
Tom asked me to pass this along to the group. So far he has 6 documented failures. He is looking for anyone else that had the same issue to go to the web site and fill out the complaint form. He is also really interested in finding someone that has identified a problem with grease on the brakes, but has not taken them in to be fixed yet. Usually this is verified by using a flash light to peek in the backing plate of the wheel and verifying you are seeing grease.
He would like to have you call him before taking the rig in for repairs, as he may want to send an investigator to the shop to observe the dis-assembly of the wheel assembly.
Tom stressed that he is not on a witch hunt, he just wants to verify the problem first hand, identify the cause, and facilitate the process to permanently fix the problem. So I think that this is the best real chance we will ever have to address the nagging greased up wheel issue once and for all. Tom's e mail address is T.Bowman@dot.gov
He is a good guy, and is looking to help. I am going to be forwarding him some pics of my second set of failed brakes for his case.