Q1: Did the welding process change?
Q2: Did base metal P-No. or Group change?
Q3: Did filler F-No. or A-No. change?
Q4: Did base metal thickness go beyond range?
Q5: Did weld metal thickness exceed qualified max?
Q6: Did preheat drop > 55 °F below min?
Q7: Did heat input exceed qualified range?
Q8: Did welding position change to non-qualified?
Q9: Did toughness essential variable change?