Rationale:
AMS5563D prohibits unauthorized exceptions (3.7, 4.4.5, 5.2.1, 8.5), updates composition testing (3.1), updates condition and fabrication requirements (3.2, 3.3) updates tensile testing (3.4.1.1), updates inspection (3.5), adds NDT acceptance testing (4.2.1.1, 4.4.3, 8.6), clarifies tolerances and identification (3.6, 5.2), adds country of origin (4.4), adds a definition (8.2.1), allows prior revisions (8.4), and is the result of a Five-Year Review and update of this specification.
