What was found
SHIP 1200 DURING LAST C-CHECK (02APR2019) AT ILN, ER/A 576744-14AD SECT. I REPAIR WAS ACCOMPLISHED ON A/C 1200 (13,289 TFC AND 96,028 TFH) IN THE LH WING SKIN AT STR L-6.5. FOLLOW NO ACTION IS REQUIRED FOR SECT. III INSPECTION. CORRECTIVE ACTION: ACCOMPLISH ER/A 576744-14AD REV. A SECTION III PRIOR TO 6,000 CYCLES OR 18,000 FLIGHT HOURS AFTER SECTION I REPAIR (02APR2019) , WHICHEVER OCCURS FIRST. (2457888)