returned to service by FAA authorized personnel. PURPOSE OF DATA To approve structural aspects of a major alteration to Boeing 727-31, S/N: 20115 APPUCAME REOUTTIMNS (LAl sped& secetas) FAR 25.301 25.303 25.305(a) 25.307(a) 25.321(a) 25.561 25.601 25.603 25.605(a) 25.609 25.611 25.613 25.7