What was found
LT I/B MIDFLAP ZONE 500, WBL 216 LT, AN AREA 5 X 1.5 INCH OF EXFOLIATED CORROSION EXISTS ON LWR I/B SFC. REPAIRED IAW BOEING ASA CKF-EXW-115 SUPP SHT 1 AND 2. 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-EXW-050, CPCP TASK CARD NR C57-560-01-01.