What was found
DURING HEAVY MAINTENANCE: AFTER NUT PLATES REMOVAL ON THE RH WING RIB 42. CORROSION WAS FOUND ; (RESOLVED ON W/O: 1267464 TASKCARD: NR-00128) REF TOMX W/O# 2452 N/R 00432. CORROSION ON RIB 42 OF RH WING WAS REMOVED AND EVALUATED OUT OF LIMITS THEREFORE WAS REPLACED PER EMB190 SRM 51-12-01, SRM SRM 51-10-03, SRM 51-75-16, SRM 51-41-02, SRM 51-43-03 AND SRM 51-43-04. ACCOMPLISHED BY TOMX TECH # 355218.