What was found
DURING HEAVY MAINTENANCE, CRACK LOWER SURFACE EXTERNAL SKIN TRAILING EDGE BETWEEN RIB 9 TO RIB 10 ON LT WING. RESOLVED ON W/O: 1072873 TASKCARD: NR-00006, REF ARM N/R 2020-317262 W/O 2020-348/1. PERFORMED PERMANENT REPAIR ON LOWER SKIN TRAILING EDGE BETWEEN RIB 9 AND RIB 10 LT WING, IAW E190 SRM 57-10-01, REPAIR 54, ITEM 9. ACCOMPLISHED BY ARM TECH 8610912 RII QC 217.