What was found
LT ELEVATOR, ZONE 330 OUTBD, STA 260 TO STA 279, 2 INCH AND 4 INCH AREA CORRODED BEYOND SRM LIMITS. REPLACED CHORD IAW BOEING DWG 65B05753 AND BAC5004-L-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 REF-EXB-035, CPCP TASK CARD NR C55-330-01-01.