Hi guys, About 7 years ago I put together a strat/charvel style partscaster with a Floyd rose. Been one of my favorite guitars and has seen many years of playing. Unfortunately it's developed dead A notes on the D string 7th fret, G string 14th fret and B string 10th fret. Detuning or using the trem just moves the fret position with the A note. I think it may be actual resonance issue as the A note is affected at multiple frets and when using different tunings it is still the A note that is affected. It starts to ring out but has about half the sustain of all other notes and dies off pretty quickly. I haven't changed anything about the guitar recently so can only think of seasonal changes impacting the guitar, warm dry, cold dry and cold wet Southern California winter. I've tried with no success: - Fat finger - Truss rod adjustment (tightened to reduced the relief which seemed a bit high) - Raised action - intonated all strings - removed neck, reinstalled and tightened under sting tension to ensure its snug in the pocket - compared decking, blocking and floating the trem - lowered and raised pickups (Seymour Duncan passive Humbuckers) Next steps: - Try higher string gauge (I use 9's but could easily move up to 10's) - Try new neck - Just enjoy the guitar at home and retire from performance - Anything else you guys suggest I've chatted to a local guitar tech and his take was along the fat finger route and dead notes affect guitars with thin necks more, which leads me to thinking about the replacement neck option with a fatter profile like my Strats. The partscaster does have a thin wide Jackson/Ibanez style neck, and I honestly prefer my 57 reissue and American standard strat necks better, less cramping after playing long time. Would be great to get advice from anyone with similar experience, especially how you were able to solve things. Thanks!