What was found
CHORD VERT FLANGE AT ZONE 100, STA 1394 TO STA 1480, WL 152, RBL 127 HAS AREA APPROX 18 INCHES OF EXFOLIATED CORROSION. REPAIRED IAW BOEING ASA CKF-EXB-223 SUPP SHTS 6 AND 7. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WICHITA (KIAB). WORK ORDER NUMBER MO280, TASK CARD NR CKF-EXB-194, CPCP TASK CARD NR C53-190-01-02.