As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YVR - MAJOR REPAIR - DURING C-15 CHECK A CRACK WAS FOUND ON THE HORIZONTAL FLANGE OF THE RT INNER CHORD FO CREASE BEAM AT BS 639, RBL 64. MAINTENANCE REMOVED AND REPLACED THE RT CREASE BEAM INNER CHORD AT BS 639, RBL 64 PRE DRAWING 65-47973, AND B737-200 SRM 51-10-1, PG. 8.