What was found
GYR - MAJOR REPAIR - DURING C20 CHECK DISCOVERED LEVEL 2 EXFOLIATION CORROSION ON KEEL BEAM AT BS 527, STR 28R AND WL 149.0. MAINTENANCE CUT OUT DAMAGED AREA IAW AMERICA WEST AIRLINES ENGINEERING REPAIR NR 03-5369-05278-ES2. FABRICATED OUTBOARD REPAIR ANGLE, STRUCTURAL FILLERS, BLANK SHEAR TIE, BLANK CLIP, FILLER AND REPAIR ANGLE IAW AWA ER NR 03-5369-05278-ES2. INSTALLED FABRICATED REPAIR PARTS ON KEEL BEAM AT BS 527, STR 28R AND WL 149.0 IAW AWA ER NR 03-5369-05278-ES2.