Hi everybody, Just received an E-mail from Becky at CubCrafters stating TCM has submitted paper work to the FAA and will "soon" issue a Service Bulletin for replacement of the rocker shafts with ones having polished ends. No word as to possibility of reimbursement cost. She suggests we watch the TCM web site. I'd appreciate any suggestion regarding taking these shafts out. Is it possible to do it without disassembly of the valve keepers, spring,etc. Bob