3490b541__String_Buzz___Chart_Of_Causes__Possible_Cause
[Symptom] One Spot Buzz Buzzes on one note, or one area but stops when moving away from that spot. [Remedy] Secure all loose frets, level and dress. Fret leveling and/or replacement of worn frets. [Possible Cause] 
Frets Frets are not level, one or more is too high/low. Loose or sprung fret is rising out of the fingerboard. Hump in fingerboard. Wear or deep grooves in frets.
Why Is My Guitar Buzzing? How To Fix Fret / String Buzz | Chart Of Causes
Possible Cause