No prob's - FRU = Field Replaceable Unit - Generally a circuit board, part or assembly that can be quickly and easily removed from a personal computer or other piece of electronic equipment, and replaced by the user or a technician without having to send the entire product or system to a repair facility.
Check out the ThinkPad® T61, R61, and R61i (14.1-inch widescreen) Hardware Maintenance Manual
This will help you to dismantle/assemble and show the parts list for your T61 >>>
http://download.lenovo....com/ibmdl/pub/pc/pccbbs/mobiles_pdf/42x3547_05.pdfWith regards to my previous post, I have given you the FRU part number of the Palmrest with FPR according to the Hardware Maintenance Manual above (See pages: 126 & 127)