You can’t “repair” TC but; you could dub the tapes with unbroken TC. This will have no relationship to the original tapes but it “repairs” TC breaks. Best thing to do is to make sure you don’t create TC breaks when shooting. N
Nick, I’ve done lots and lots of DVCPRO HD off of Lacie BDExtreme FW 800 drives. It works; but since moving up to an external SATA setup, renders are fewer and faster and I’ve yet to have droped frames on the SATA which were fairly common on the FW.