What was found
DURING HEAVY MAINTENANCE, CRACK FOUND ON LH WING FIXED LEADING EDGE BTW RIB 31 & 32 AND BTW RIB32 & 33; (REF TOMX NR W/O# 1596 NR# 000641 & 000642) R & R FIXED LEADING EDGE SKINS (2EA) BTW RIB 27-32 P/N: 190-31695-421 & BTW RIB 32-37 P/N: 190-31696-421 PER EMB 190 SRM 51-41-02, 51-42-02, &51-43-02