What was found
CORROSION (C53-111-01-,2) ON BL 0 CHORD AROUND NUT PLATE HOLES ON O/B FLANGES FROM BS 490 TO 670, LBL 2- RBL 2, WL 20, OUT OF LIMITS PER FED-EX SRM. *S/D* REMOVED DAMAGED CHORD, FABRICATED NEW CHORD AND INSTALLED AT BS 480 TO 700 IAW FED-EX SR-27-53-009.