As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-14 CHECK .5 INCH CRACK WAS FOUND IN LT WING LEADING EDGE RIB, INBOARD OF NR 1 ENGINE AT L/E STA 222.7. MAINTENANCE REMOVED CRACKED LT WING LEADING EDGE RIB AT L/E STA 222.7; FABRICATED A NEW REPLACEMENT RIB PER DWG 65-49353; INSTALLED REPAIR PART IAW B737-200 SRM 51-30-02, PARA 9B.