Hi,
Could you check the ospf cost for interface ae0:
show ospf interface ae0.0 detail
Maybe you could try looking at why the LSP is bypassing ae0:
show rsvp session lsp name LSP:R5.MD.PE.TSEL.1--T.D5.KBL extensive show mpls lsp name LSP:R5.MD.PE.TSEL.1--T.D5.KBL extensive
Cheers,
Ashvin