BadBassDude

Thanks for the feedback everyone. Warwick were indicating (not quoting yet) a large bill. I'll look up Jon Shuker; thanks. I'll be back (!) to let let you know how I got on. Thanks again all.

The tech nerds at Warwick have suggested a fret board off, open rod surgery approach. I have admitted defeat and I am ready to send the useless wooden ornament to the bass hospital. But i don't like my chances of getting it to Warwick and back again in a post Brexit world. Looking for a competent doc nearer to home. Anyone?

Thanks guys. It's a 2000 model. I've tried the counter clockwise and clockwise adjustments, gradually (1/4 turn at a go) over time, to no avail. If I remove the strings, neck returns to straight as an arrow. Strings back on and the forward bow returns (obviously I suppose).

HI. I'm up here in sunny Yorkshire with my bad donkey but naughty Warwick thumb NT5. Naughty I hear you ask? Shenaningans with the truss rod (lots of tension on careful adjustment but absolutely no movement to correct a forward bow). Can anyone recommend a Luthier / magician who can be trusted to fix the blighter? Thanks in advance.