What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK EXFOLIATION CORROSION AND A 2.125 INCH CRACK WERE FOUND IN KEEL BEAM RT LOWER CHORD AT RBL 6.50, BETWEEN BS 540 AND BS 541. MAINTENANCE CUT OUT DAMAGE IN KEEL BEAM RT LOWER CHORD AT RBL 6.50, FROM BS 540 TO BS 541; FABRICATED A NEW REPLACEMENT SECTION OF KEEL BEAM, 2 EACH FILLERS, A RADIUS FILLER, AND 2 EACH SPLICE ANGLES; INSTALLED REPAIR PARTS IAW ER 03-5369-05071-ES1.