What was found
ZONE 500, NR 4 LT FLAP TRACK BUSHING FWD BOLT HOLES AND MOUNTING AREA CORRODED BEYOND LIMITS. REPAIRED IAW BOEING ASA CKF-EXW-083 SUPP SHT 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-6XW-07L, CPCP TASK CARD NR C57-560-01-01.