What was found
DURING HEAVY MAINTENANCE, REF NDT 57-40-00-211-802 CRACK RIB 17 WING MAIN BOX LEADING EDGE AREA RT WING, REF AEROMAN WO 2020-388/1, NR 2020-360939. REMOVED AND REPLACED RIB 17 LOCATED LEADING EDGE ON RT WING, IAW E190-SRM 51-40-08 AND DWG 190-31005-409.