Deep diving into dissimilar T-TS qualifications, Hoping someone can clarify QW-288.1 (I)
QW-288.1(i)
A change in the P-No. of the tube or tubesheet material
(if the tubesheet material is part of the weld), a
change in the P-No. or A-No. of the tubesheet cladding material
(if the cladding...