I crunched mine when I was coming down the ladder. It is right under the bottom step of the ladder, and when I was putting my foot on the bumper I caught it.
Ironic thing is that I did it while at Goshen, and didn't think to ask the Techs to replace it.
2013 Rockwood 8289WS
Mods: Central Vac, PI EMS-HW50C, 2025RV, (2) SCS225 Trojans, PD9260, Awning Remotes & LED Lights, Eliminators, External Water Filter,, Intellijacks
2008 RAM 3500 Cab&Chassis Hauler Bed, B&W Companion Hitch
All My Modifications are at this link: